28016680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41201}}^1$

素因数の和:41229

約数の個数: 32

約数和(自身を含む): 66747240

約数和(自身を除く): 38730560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 41201, 82402, 164804, 206005, 329608, 412010, 700417, 824020, 1400834, 1648040, 2801668, 3502085, 5603336, 7004170, 14008340, 28016680]

約数ペア:

[(1, 28016680), (2, 14008340), (4, 7004170), (5, 5603336), (8, 3502085), (10, 2801668), (17, 1648040), (20, 1400834), (34, 824020), (40, 700417), (68, 412010), (85, 329608), (136, 206005), (170, 164804), (340, 82402), (680, 41201)]