87107320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{128099}}^1$

素因数の和:128127

約数の個数: 32

約数和(自身を含む): 207522000

約数和(自身を除く): 120414680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 128099, 256198, 512396, 640495, 1024792, 1280990, 2177683, 2561980, 4355366, 5123960, 8710732, 10888415, 17421464, 21776830, 43553660, 87107320]

約数ペア:

[(1, 87107320), (2, 43553660), (4, 21776830), (5, 17421464), (8, 10888415), (10, 8710732), (17, 5123960), (20, 4355366), (34, 2561980), (40, 2177683), (68, 1280990), (85, 1024792), (136, 640495), (170, 512396), (340, 256198), (680, 128099)]