13455160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 32814720

約数和(自身を除く): 19359560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 421, 470, 680, 799, 842, 940, 1598, 1684, 1880, 2105, 3196, 3368, 3995, 4210, 6392, 7157, 7990, 8420, 14314, 15980, 16840, 19787, 28628, 31960, 35785, 39574, 57256, 71570, 79148, 98935, 143140, 158296, 197870, 286280, 336379, 395740, 672758, 791480, 1345516, 1681895, 2691032, 3363790, 6727580, 13455160]

約数ペア:

[(1, 13455160), (2, 6727580), (4, 3363790), (5, 2691032), (8, 1681895), (10, 1345516), (17, 791480), (20, 672758), (34, 395740), (40, 336379), (47, 286280), (68, 197870), (85, 158296), (94, 143140), (136, 98935), (170, 79148), (188, 71570), (235, 57256), (340, 39574), (376, 35785), (421, 31960), (470, 28628), (680, 19787), (799, 16840), (842, 15980), (940, 14314), (1598, 8420), (1684, 7990), (1880, 7157), (2105, 6392), (3196, 4210), (3368, 3995)]