870815920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{1601}}^1$

素因数の和:2150

約数の個数: 80

約数和(自身を含む): 2185922592

約数和(自身を除く): 1315106672

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 523, 1040, 1046, 1601, 2092, 2615, 3202, 4184, 5230, 6404, 6799, 8005, 8368, 10460, 12808, 13598, 16010, 20813, 20920, 25616, 27196, 32020, 33995, 41626, 41840, 54392, 64040, 67990, 83252, 104065, 108784, 128080, 135980, 166504, 208130, 271960, 333008, 416260, 543920, 832520, 837323, 1665040, 1674646, 3349292, 4186615, 6698584, 8373230, 10885199, 13397168, 16746460, 21770398, 33492920, 43540796, 54425995, 66985840, 87081592, 108851990, 174163184, 217703980, 435407960, 870815920]

約数ペア:

[(1, 870815920), (2, 435407960), (4, 217703980), (5, 174163184), (8, 108851990), (10, 87081592), (13, 66985840), (16, 54425995), (20, 43540796), (26, 33492920), (40, 21770398), (52, 16746460), (65, 13397168), (80, 10885199), (104, 8373230), (130, 6698584), (208, 4186615), (260, 3349292), (520, 1674646), (523, 1665040), (1040, 837323), (1046, 832520), (1601, 543920), (2092, 416260), (2615, 333008), (3202, 271960), (4184, 208130), (5230, 166504), (6404, 135980), (6799, 128080), (8005, 108784), (8368, 104065), (10460, 83252), (12808, 67990), (13598, 64040), (16010, 54392), (20813, 41840), (20920, 41626), (25616, 33995), (27196, 32020)]