90644080

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 219164544

約数和(自身を除く): 128520464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 113, 148, 185, 226, 271, 296, 370, 452, 542, 565, 592, 740, 904, 1084, 1130, 1355, 1480, 1808, 2168, 2260, 2710, 2960, 4181, 4336, 4520, 5420, 8362, 9040, 10027, 10840, 16724, 20054, 20905, 21680, 30623, 33448, 40108, 41810, 50135, 61246, 66896, 80216, 83620, 100270, 122492, 153115, 160432, 167240, 200540, 244984, 306230, 334480, 401080, 489968, 612460, 802160, 1133051, 1224920, 2266102, 2449840, 4532204, 5665255, 9064408, 11330510, 18128816, 22661020, 45322040, 90644080]

約数ペア:

[(1, 90644080), (2, 45322040), (4, 22661020), (5, 18128816), (8, 11330510), (10, 9064408), (16, 5665255), (20, 4532204), (37, 2449840), (40, 2266102), (74, 1224920), (80, 1133051), (113, 802160), (148, 612460), (185, 489968), (226, 401080), (271, 334480), (296, 306230), (370, 244984), (452, 200540), (542, 167240), (565, 160432), (592, 153115), (740, 122492), (904, 100270), (1084, 83620), (1130, 80216), (1355, 66896), (1480, 61246), (1808, 50135), (2168, 41810), (2260, 40108), (2710, 33448), (2960, 30623), (4181, 21680), (4336, 20905), (4520, 20054), (5420, 16724), (8362, 10840), (9040, 10027)]