8623760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{373}}^1$

素因数の和:420

約数の個数: 60

約数和(自身を含む): 21356148

約数和(自身を除く): 12732388

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 373, 578, 680, 746, 1156, 1360, 1445, 1492, 1865, 2312, 2890, 2984, 3730, 4624, 5780, 5968, 6341, 7460, 11560, 12682, 14920, 23120, 25364, 29840, 31705, 50728, 63410, 101456, 107797, 126820, 215594, 253640, 431188, 507280, 538985, 862376, 1077970, 1724752, 2155940, 4311880, 8623760]

約数ペア:

[(1, 8623760), (2, 4311880), (4, 2155940), (5, 1724752), (8, 1077970), (10, 862376), (16, 538985), (17, 507280), (20, 431188), (34, 253640), (40, 215594), (68, 126820), (80, 107797), (85, 101456), (136, 63410), (170, 50728), (272, 31705), (289, 29840), (340, 25364), (373, 23120), (578, 14920), (680, 12682), (746, 11560), (1156, 7460), (1360, 6341), (1445, 5968), (1492, 5780), (1865, 4624), (2312, 3730), (2890, 2984)]