87256840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3251}}^1$

素因数の和:3334

約数の個数: 64

約数和(自身を含む): 217753920

約数和(自身を除く): 130497080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2684, 3251, 3355, 5368, 6502, 6710, 13004, 13420, 16255, 26008, 26840, 32510, 35761, 65020, 71522, 130040, 143044, 178805, 198311, 286088, 357610, 396622, 715220, 793244, 991555, 1430440, 1586488, 1983110, 2181421, 3966220, 4362842, 7932440, 8725684, 10907105, 17451368, 21814210, 43628420, 87256840]

約数ペア:

[(1, 87256840), (2, 43628420), (4, 21814210), (5, 17451368), (8, 10907105), (10, 8725684), (11, 7932440), (20, 4362842), (22, 3966220), (40, 2181421), (44, 1983110), (55, 1586488), (61, 1430440), (88, 991555), (110, 793244), (122, 715220), (220, 396622), (244, 357610), (305, 286088), (440, 198311), (488, 178805), (610, 143044), (671, 130040), (1220, 71522), (1342, 65020), (2440, 35761), (2684, 32510), (3251, 26840), (3355, 26008), (5368, 16255), (6502, 13420), (6710, 13004)]