87922640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4973}}^1$

素因数の和:5016

約数の個数: 80

約数和(自身を含む): 233141328

約数和(自身を除く): 145218688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 4973, 8840, 9946, 17680, 19892, 24865, 39784, 49730, 64649, 79568, 84541, 99460, 129298, 169082, 198920, 258596, 323245, 338164, 397840, 422705, 517192, 646490, 676328, 845410, 1034384, 1099033, 1292980, 1352656, 1690820, 2198066, 2585960, 3381640, 4396132, 5171920, 5495165, 6763280, 8792264, 10990330, 17584528, 21980660, 43961320, 87922640]

約数ペア:

[(1, 87922640), (2, 43961320), (4, 21980660), (5, 17584528), (8, 10990330), (10, 8792264), (13, 6763280), (16, 5495165), (17, 5171920), (20, 4396132), (26, 3381640), (34, 2585960), (40, 2198066), (52, 1690820), (65, 1352656), (68, 1292980), (80, 1099033), (85, 1034384), (104, 845410), (130, 676328), (136, 646490), (170, 517192), (208, 422705), (221, 397840), (260, 338164), (272, 323245), (340, 258596), (442, 198920), (520, 169082), (680, 129298), (884, 99460), (1040, 84541), (1105, 79568), (1360, 64649), (1768, 49730), (2210, 39784), (3536, 24865), (4420, 19892), (4973, 17680), (8840, 9946)]