78404680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{115301}}^1$

素因数の和:115329

約数の個数: 32

約数和(自身を含む): 186789240

約数和(自身を除く): 108384560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 115301, 230602, 461204, 576505, 922408, 1153010, 1960117, 2306020, 3920234, 4612040, 7840468, 9800585, 15680936, 19601170, 39202340, 78404680]

約数ペア:

[(1, 78404680), (2, 39202340), (4, 19601170), (5, 15680936), (8, 9800585), (10, 7840468), (17, 4612040), (20, 3920234), (34, 2306020), (40, 1960117), (68, 1153010), (85, 922408), (136, 576505), (170, 461204), (340, 230602), (680, 115301)]