39874640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1667}}^1$

素因数の和:1716

約数の個数: 80

約数和(自身を含む): 104243328

約数和(自身を除く): 64368688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1667, 1840, 2392, 2990, 3334, 4784, 5980, 6668, 8335, 11960, 13336, 16670, 21671, 23920, 26672, 33340, 38341, 43342, 66680, 76682, 86684, 108355, 133360, 153364, 173368, 191705, 216710, 306728, 346736, 383410, 433420, 498433, 613456, 766820, 866840, 996866, 1533640, 1733680, 1993732, 2492165, 3067280, 3987464, 4984330, 7974928, 9968660, 19937320, 39874640]

約数ペア:

[(1, 39874640), (2, 19937320), (4, 9968660), (5, 7974928), (8, 4984330), (10, 3987464), (13, 3067280), (16, 2492165), (20, 1993732), (23, 1733680), (26, 1533640), (40, 996866), (46, 866840), (52, 766820), (65, 613456), (80, 498433), (92, 433420), (104, 383410), (115, 346736), (130, 306728), (184, 216710), (208, 191705), (230, 173368), (260, 153364), (299, 133360), (368, 108355), (460, 86684), (520, 76682), (598, 66680), (920, 43342), (1040, 38341), (1196, 33340), (1495, 26672), (1667, 23920), (1840, 21671), (2392, 16670), (2990, 13336), (3334, 11960), (4784, 8335), (5980, 6668)]