86408080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:832

約数の個数: 80

約数和(自身を含む): 220968000

約数和(自身を除く): 134559920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 149, 176, 220, 298, 440, 596, 659, 745, 880, 1192, 1318, 1490, 1639, 2384, 2636, 2980, 3278, 3295, 5272, 5960, 6556, 6590, 7249, 8195, 10544, 11920, 13112, 13180, 14498, 16390, 26224, 26360, 28996, 32780, 36245, 52720, 57992, 65560, 72490, 98191, 115984, 131120, 144980, 196382, 289960, 392764, 490955, 579920, 785528, 981910, 1080101, 1571056, 1963820, 2160202, 3927640, 4320404, 5400505, 7855280, 8640808, 10801010, 17281616, 21602020, 43204040, 86408080]

約数ペア:

[(1, 86408080), (2, 43204040), (4, 21602020), (5, 17281616), (8, 10801010), (10, 8640808), (11, 7855280), (16, 5400505), (20, 4320404), (22, 3927640), (40, 2160202), (44, 1963820), (55, 1571056), (80, 1080101), (88, 981910), (110, 785528), (149, 579920), (176, 490955), (220, 392764), (298, 289960), (440, 196382), (596, 144980), (659, 131120), (745, 115984), (880, 98191), (1192, 72490), (1318, 65560), (1490, 57992), (1639, 52720), (2384, 36245), (2636, 32780), (2980, 28996), (3278, 26360), (3295, 26224), (5272, 16390), (5960, 14498), (6556, 13180), (6590, 13112), (7249, 11920), (8195, 10544)]