55080280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{461}}^1$

素因数の和:604

約数の個数: 64

約数和(自身を含む): 129729600

約数和(自身を除く): 74649320

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 103, 116, 145, 206, 232, 290, 412, 461, 515, 580, 824, 922, 1030, 1160, 1844, 2060, 2305, 2987, 3688, 4120, 4610, 5974, 9220, 11948, 13369, 14935, 18440, 23896, 26738, 29870, 47483, 53476, 59740, 66845, 94966, 106952, 119480, 133690, 189932, 237415, 267380, 379864, 474830, 534760, 949660, 1377007, 1899320, 2754014, 5508028, 6885035, 11016056, 13770070, 27540140, 55080280]

約数ペア:

[(1, 55080280), (2, 27540140), (4, 13770070), (5, 11016056), (8, 6885035), (10, 5508028), (20, 2754014), (29, 1899320), (40, 1377007), (58, 949660), (103, 534760), (116, 474830), (145, 379864), (206, 267380), (232, 237415), (290, 189932), (412, 133690), (461, 119480), (515, 106952), (580, 94966), (824, 66845), (922, 59740), (1030, 53476), (1160, 47483), (1844, 29870), (2060, 26738), (2305, 23896), (2987, 18440), (3688, 14935), (4120, 13369), (4610, 11948), (5974, 9220)]