55657840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5231}}^1$

素因数の和:5270

約数の個数: 80

約数和(自身を含む): 155704320

約数和(自身を除く): 100046480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5231, 5320, 10462, 10640, 20924, 26155, 36617, 41848, 52310, 73234, 83696, 99389, 104620, 146468, 183085, 198778, 209240, 292936, 366170, 397556, 418480, 496945, 585872, 695723, 732340, 795112, 993890, 1391446, 1464680, 1590224, 1987780, 2782892, 2929360, 3478615, 3975560, 5565784, 6957230, 7951120, 11131568, 13914460, 27828920, 55657840]

約数ペア:

[(1, 55657840), (2, 27828920), (4, 13914460), (5, 11131568), (7, 7951120), (8, 6957230), (10, 5565784), (14, 3975560), (16, 3478615), (19, 2929360), (20, 2782892), (28, 1987780), (35, 1590224), (38, 1464680), (40, 1391446), (56, 993890), (70, 795112), (76, 732340), (80, 695723), (95, 585872), (112, 496945), (133, 418480), (140, 397556), (152, 366170), (190, 292936), (266, 209240), (280, 198778), (304, 183085), (380, 146468), (532, 104620), (560, 99389), (665, 83696), (760, 73234), (1064, 52310), (1330, 41848), (1520, 36617), (2128, 26155), (2660, 20924), (5231, 10640), (5320, 10462)]