8146232120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1\times {\mathrm{421}}^1$

素因数の和:865

約数の個数: 128

約数和(自身を含む): 20009687040

約数和(自身を除く): 11863454920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 254, 260, 293, 421, 508, 520, 586, 635, 842, 1016, 1172, 1270, 1465, 1651, 1684, 2105, 2344, 2540, 2930, 3302, 3368, 3809, 4210, 5080, 5473, 5860, 6604, 7618, 8255, 8420, 10946, 11720, 13208, 15236, 16510, 16840, 19045, 21892, 27365, 30472, 33020, 37211, 38090, 43784, 53467, 54730, 66040, 74422, 76180, 106934, 109460, 123353, 148844, 152360, 186055, 213868, 218920, 246706, 267335, 297688, 372110, 427736, 483743, 493412, 534670, 616765, 695071, 744220, 967486, 986824, 1069340, 1233530, 1390142, 1488440, 1603589, 1934972, 2138680, 2418715, 2467060, 2780284, 3207178, 3475355, 3869944, 4837430, 4934120, 5560568, 6414356, 6950710, 8017945, 9674860, 12828712, 13901420, 15665831, 16035890, 19349720, 27802840, 31331662, 32071780, 62663324, 64143560, 78329155, 125326648, 156658310, 203655803, 313316620, 407311606, 626633240, 814623212, 1018279015, 1629246424, 2036558030, 4073116060, 8146232120]

約数ペア:

[(1, 8146232120), (2, 4073116060), (4, 2036558030), (5, 1629246424), (8, 1018279015), (10, 814623212), (13, 626633240), (20, 407311606), (26, 313316620), (40, 203655803), (52, 156658310), (65, 125326648), (104, 78329155), (127, 64143560), (130, 62663324), (254, 32071780), (260, 31331662), (293, 27802840), (421, 19349720), (508, 16035890), (520, 15665831), (586, 13901420), (635, 12828712), (842, 9674860), (1016, 8017945), (1172, 6950710), (1270, 6414356), (1465, 5560568), (1651, 4934120), (1684, 4837430), (2105, 3869944), (2344, 3475355), (2540, 3207178), (2930, 2780284), (3302, 2467060), (3368, 2418715), (3809, 2138680), (4210, 1934972), (5080, 1603589), (5473, 1488440), (5860, 1390142), (6604, 1233530), (7618, 1069340), (8255, 986824), (8420, 967486), (10946, 744220), (11720, 695071), (13208, 616765), (15236, 534670), (16510, 493412), (16840, 483743), (19045, 427736), (21892, 372110), (27365, 297688), (30472, 267335), (33020, 246706), (37211, 218920), (38090, 213868), (43784, 186055), (53467, 152360), (54730, 148844), (66040, 123353), (74422, 109460), (76180, 106934)]