54129880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1993}}^1$

素因数の和:2108

約数の個数: 64

約数和(自身を含む): 140696640

約数和(自身を除く): 86566760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 776, 970, 1358, 1940, 1993, 2716, 3395, 3880, 3986, 5432, 6790, 7972, 9965, 13580, 13951, 15944, 19930, 27160, 27902, 39860, 55804, 69755, 79720, 111608, 139510, 193321, 279020, 386642, 558040, 773284, 966605, 1353247, 1546568, 1933210, 2706494, 3866420, 5412988, 6766235, 7732840, 10825976, 13532470, 27064940, 54129880]

約数ペア:

[(1, 54129880), (2, 27064940), (4, 13532470), (5, 10825976), (7, 7732840), (8, 6766235), (10, 5412988), (14, 3866420), (20, 2706494), (28, 1933210), (35, 1546568), (40, 1353247), (56, 966605), (70, 773284), (97, 558040), (140, 386642), (194, 279020), (280, 193321), (388, 139510), (485, 111608), (679, 79720), (776, 69755), (970, 55804), (1358, 39860), (1940, 27902), (1993, 27160), (2716, 19930), (3395, 15944), (3880, 13951), (3986, 13580), (5432, 9965), (6790, 7972)]