31550840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{461}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 74844000

約数和(自身を除く): 43293160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 59, 116, 118, 145, 232, 236, 290, 295, 461, 472, 580, 590, 922, 1160, 1180, 1711, 1844, 2305, 2360, 3422, 3688, 4610, 6844, 8555, 9220, 13369, 13688, 17110, 18440, 26738, 27199, 34220, 53476, 54398, 66845, 68440, 106952, 108796, 133690, 135995, 217592, 267380, 271990, 534760, 543980, 788771, 1087960, 1577542, 3155084, 3943855, 6310168, 7887710, 15775420, 31550840]

約数ペア:

[(1, 31550840), (2, 15775420), (4, 7887710), (5, 6310168), (8, 3943855), (10, 3155084), (20, 1577542), (29, 1087960), (40, 788771), (58, 543980), (59, 534760), (116, 271990), (118, 267380), (145, 217592), (232, 135995), (236, 133690), (290, 108796), (295, 106952), (461, 68440), (472, 66845), (580, 54398), (590, 53476), (922, 34220), (1160, 27199), (1180, 26738), (1711, 18440), (1844, 17110), (2305, 13688), (2360, 13369), (3422, 9220), (3688, 8555), (4610, 6844)]