3997040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2939}}^1$

素因数の和:2969

約数の個数: 40

約数和(自身を含む): 9843120

約数和(自身を除く): 5846080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 2939, 5878, 11756, 14695, 23512, 29390, 47024, 49963, 58780, 99926, 117560, 199852, 235120, 249815, 399704, 499630, 799408, 999260, 1998520, 3997040]

約数ペア:

[(1, 3997040), (2, 1998520), (4, 999260), (5, 799408), (8, 499630), (10, 399704), (16, 249815), (17, 235120), (20, 199852), (34, 117560), (40, 99926), (68, 58780), (80, 49963), (85, 47024), (136, 29390), (170, 23512), (272, 14695), (340, 11756), (680, 5878), (1360, 2939)]