9718640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2963}}^1$

素因数の和:3017

約数の個数: 40

約数和(自身を含む): 23154768

約数和(自身を除く): 13436128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 2963, 3280, 5926, 11852, 14815, 23704, 29630, 47408, 59260, 118520, 121483, 237040, 242966, 485932, 607415, 971864, 1214830, 1943728, 2429660, 4859320, 9718640]

約数ペア:

[(1, 9718640), (2, 4859320), (4, 2429660), (5, 1943728), (8, 1214830), (10, 971864), (16, 607415), (20, 485932), (40, 242966), (41, 237040), (80, 121483), (82, 118520), (164, 59260), (205, 47408), (328, 29630), (410, 23704), (656, 14815), (820, 11852), (1640, 5926), (2963, 3280)]