27828920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5231}}^1$

素因数の和:5268

約数の個数: 64

約数和(自身を含む): 75340800

約数和(自身を除く): 47511880

約数列:

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

約数ペア:

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