87407840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42023}}^1$

素因数の和:42051

約数の個数: 48

約数和(自身を含む): 222391008

約数和(自身を除く): 134983168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 42023, 84046, 168092, 210115, 336184, 420230, 546299, 672368, 840460, 1092598, 1344736, 1680920, 2185196, 2731495, 3361840, 4370392, 5462990, 6723680, 8740784, 10925980, 17481568, 21851960, 43703920, 87407840]

約数ペア:

[(1, 87407840), (2, 43703920), (4, 21851960), (5, 17481568), (8, 10925980), (10, 8740784), (13, 6723680), (16, 5462990), (20, 4370392), (26, 3361840), (32, 2731495), (40, 2185196), (52, 1680920), (65, 1344736), (80, 1092598), (104, 840460), (130, 672368), (160, 546299), (208, 420230), (260, 336184), (416, 210115), (520, 168092), (1040, 84046), (2080, 42023)]