8770640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6449}}^1$

素因数の和:6479

約数の個数: 40

約数和(自身を含む): 21594600

約数和(自身を除く): 12823960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 6449, 12898, 25796, 32245, 51592, 64490, 103184, 109633, 128980, 219266, 257960, 438532, 515920, 548165, 877064, 1096330, 1754128, 2192660, 4385320, 8770640]

約数ペア:

[(1, 8770640), (2, 4385320), (4, 2192660), (5, 1754128), (8, 1096330), (10, 877064), (16, 548165), (17, 515920), (20, 438532), (34, 257960), (40, 219266), (68, 128980), (80, 109633), (85, 103184), (136, 64490), (170, 51592), (272, 32245), (340, 25796), (680, 12898), (1360, 6449)]