61275560

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{19391}}^1$

素因数の和:19481

約数の個数: 32

約数和(自身を含む): 139622400

約数和(自身を除く): 78346840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 19391, 38782, 77564, 96955, 155128, 193910, 387820, 775640, 1531889, 3063778, 6127556, 7659445, 12255112, 15318890, 30637780, 61275560]

約数ペア:

[(1, 61275560), (2, 30637780), (4, 15318890), (5, 12255112), (8, 7659445), (10, 6127556), (20, 3063778), (40, 1531889), (79, 775640), (158, 387820), (316, 193910), (395, 155128), (632, 96955), (790, 77564), (1580, 38782), (3160, 19391)]