8778640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1$

素因数の和:416

約数の個数: 80

約数和(自身を含む): 22998528

約数和(自身を除く): 14219888

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, 367, 368, 460, 520, 598, 734, 920, 1040, 1196, 1468, 1495, 1835, 1840, 2392, 2936, 2990, 3670, 4771, 4784, 5872, 5980, 7340, 8441, 9542, 11960, 14680, 16882, 19084, 23855, 23920, 29360, 33764, 38168, 42205, 47710, 67528, 76336, 84410, 95420, 109733, 135056, 168820, 190840, 219466, 337640, 381680, 438932, 548665, 675280, 877864, 1097330, 1755728, 2194660, 4389320, 8778640]

約数ペア:

[(1, 8778640), (2, 4389320), (4, 2194660), (5, 1755728), (8, 1097330), (10, 877864), (13, 675280), (16, 548665), (20, 438932), (23, 381680), (26, 337640), (40, 219466), (46, 190840), (52, 168820), (65, 135056), (80, 109733), (92, 95420), (104, 84410), (115, 76336), (130, 67528), (184, 47710), (208, 42205), (230, 38168), (260, 33764), (299, 29360), (367, 23920), (368, 23855), (460, 19084), (520, 16882), (598, 14680), (734, 11960), (920, 9542), (1040, 8441), (1196, 7340), (1468, 5980), (1495, 5872), (1835, 4784), (1840, 4771), (2392, 3670), (2936, 2990)]