89664040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{117979}}^1$

素因数の和:118009

約数の個数: 32

約数和(自身を含む): 212364000

約数和(自身を除く): 122699960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 117979, 235958, 471916, 589895, 943832, 1179790, 2241601, 2359580, 4483202, 4719160, 8966404, 11208005, 17932808, 22416010, 44832020, 89664040]

約数ペア:

[(1, 89664040), (2, 44832020), (4, 22416010), (5, 17932808), (8, 11208005), (10, 8966404), (19, 4719160), (20, 4483202), (38, 2359580), (40, 2241601), (76, 1179790), (95, 943832), (152, 589895), (190, 471916), (380, 235958), (760, 117979)]