53427440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{557}}^1$

素因数の和:690

約数の個数: 80

約数和(自身を含む): 137000160

約数和(自身を除く): 83572720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 109, 110, 176, 218, 220, 436, 440, 545, 557, 872, 880, 1090, 1114, 1199, 1744, 2180, 2228, 2398, 2785, 4360, 4456, 4796, 5570, 5995, 6127, 8720, 8912, 9592, 11140, 11990, 12254, 19184, 22280, 23980, 24508, 30635, 44560, 47960, 49016, 60713, 61270, 95920, 98032, 121426, 122540, 242852, 245080, 303565, 485704, 490160, 607130, 667843, 971408, 1214260, 1335686, 2428520, 2671372, 3339215, 4857040, 5342744, 6678430, 10685488, 13356860, 26713720, 53427440]

約数ペア:

[(1, 53427440), (2, 26713720), (4, 13356860), (5, 10685488), (8, 6678430), (10, 5342744), (11, 4857040), (16, 3339215), (20, 2671372), (22, 2428520), (40, 1335686), (44, 1214260), (55, 971408), (80, 667843), (88, 607130), (109, 490160), (110, 485704), (176, 303565), (218, 245080), (220, 242852), (436, 122540), (440, 121426), (545, 98032), (557, 95920), (872, 61270), (880, 60713), (1090, 49016), (1114, 47960), (1199, 44560), (1744, 30635), (2180, 24508), (2228, 23980), (2398, 22280), (2785, 19184), (4360, 12254), (4456, 11990), (4796, 11140), (5570, 9592), (5995, 8912), (6127, 8720)]