49923640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:237

約数の個数: 128

約数和(自身を含む): 132249600

約数和(自身を除く): 82325960

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 95, 104, 124, 130, 152, 155, 163, 190, 247, 248, 260, 310, 326, 380, 403, 494, 520, 589, 620, 652, 760, 806, 815, 988, 1178, 1235, 1240, 1304, 1612, 1630, 1976, 2015, 2119, 2356, 2470, 2945, 3097, 3224, 3260, 4030, 4238, 4712, 4940, 5053, 5890, 6194, 6520, 7657, 8060, 8476, 9880, 10106, 10595, 11780, 12388, 15314, 15485, 16120, 16952, 20212, 21190, 23560, 24776, 25265, 30628, 30970, 38285, 40261, 40424, 42380, 50530, 61256, 61940, 65689, 76570, 80522, 84760, 96007, 101060, 123880, 131378, 153140, 161044, 192014, 201305, 202120, 262756, 306280, 322088, 328445, 384028, 402610, 480035, 525512, 656890, 768056, 805220, 960070, 1248091, 1313780, 1610440, 1920140, 2496182, 2627560, 3840280, 4992364, 6240455, 9984728, 12480910, 24961820, 49923640]

約数ペア:

[(1, 49923640), (2, 24961820), (4, 12480910), (5, 9984728), (8, 6240455), (10, 4992364), (13, 3840280), (19, 2627560), (20, 2496182), (26, 1920140), (31, 1610440), (38, 1313780), (40, 1248091), (52, 960070), (62, 805220), (65, 768056), (76, 656890), (95, 525512), (104, 480035), (124, 402610), (130, 384028), (152, 328445), (155, 322088), (163, 306280), (190, 262756), (247, 202120), (248, 201305), (260, 192014), (310, 161044), (326, 153140), (380, 131378), (403, 123880), (494, 101060), (520, 96007), (589, 84760), (620, 80522), (652, 76570), (760, 65689), (806, 61940), (815, 61256), (988, 50530), (1178, 42380), (1235, 40424), (1240, 40261), (1304, 38285), (1612, 30970), (1630, 30628), (1976, 25265), (2015, 24776), (2119, 23560), (2356, 21190), (2470, 20212), (2945, 16952), (3097, 16120), (3224, 15485), (3260, 15314), (4030, 12388), (4238, 11780), (4712, 10595), (4940, 10106), (5053, 9880), (5890, 8476), (6194, 8060), (6520, 7657)]