26595920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:372

約数の個数: 80

約数和(自身を含む): 67495680

約数和(自身を除く): 40899760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 107, 130, 208, 214, 239, 260, 428, 478, 520, 535, 856, 956, 1040, 1070, 1195, 1391, 1712, 1912, 2140, 2390, 2782, 3107, 3824, 4280, 4780, 5564, 6214, 6955, 8560, 9560, 11128, 12428, 13910, 15535, 19120, 22256, 24856, 25573, 27820, 31070, 49712, 51146, 55640, 62140, 102292, 111280, 124280, 127865, 204584, 248560, 255730, 332449, 409168, 511460, 664898, 1022920, 1329796, 1662245, 2045840, 2659592, 3324490, 5319184, 6648980, 13297960, 26595920]

約数ペア:

[(1, 26595920), (2, 13297960), (4, 6648980), (5, 5319184), (8, 3324490), (10, 2659592), (13, 2045840), (16, 1662245), (20, 1329796), (26, 1022920), (40, 664898), (52, 511460), (65, 409168), (80, 332449), (104, 255730), (107, 248560), (130, 204584), (208, 127865), (214, 124280), (239, 111280), (260, 102292), (428, 62140), (478, 55640), (520, 51146), (535, 49712), (856, 31070), (956, 27820), (1040, 25573), (1070, 24856), (1195, 22256), (1391, 19120), (1712, 15535), (1912, 13910), (2140, 12428), (2390, 11128), (2782, 9560), (3107, 8560), (3824, 6955), (4280, 6214), (4780, 5564)]