31573960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{983}}^1$

素因数の和:1078

約数の個数: 64

約数和(自身を含む): 78641280

約数和(自身を除く): 47067320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 146, 220, 292, 365, 440, 584, 730, 803, 983, 1460, 1606, 1966, 2920, 3212, 3932, 4015, 4915, 6424, 7864, 8030, 9830, 10813, 16060, 19660, 21626, 32120, 39320, 43252, 54065, 71759, 86504, 108130, 143518, 216260, 287036, 358795, 432520, 574072, 717590, 789349, 1435180, 1578698, 2870360, 3157396, 3946745, 6314792, 7893490, 15786980, 31573960]

約数ペア:

[(1, 31573960), (2, 15786980), (4, 7893490), (5, 6314792), (8, 3946745), (10, 3157396), (11, 2870360), (20, 1578698), (22, 1435180), (40, 789349), (44, 717590), (55, 574072), (73, 432520), (88, 358795), (110, 287036), (146, 216260), (220, 143518), (292, 108130), (365, 86504), (440, 71759), (584, 54065), (730, 43252), (803, 39320), (983, 32120), (1460, 21626), (1606, 19660), (1966, 16060), (2920, 10813), (3212, 9830), (3932, 8030), (4015, 7864), (4915, 6424)]