1620440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2383}}^1$

素因数の和:2411

約数の個数: 32

約数和(自身を含む): 3862080

約数和(自身を除く): 2241640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 2383, 4766, 9532, 11915, 19064, 23830, 40511, 47660, 81022, 95320, 162044, 202555, 324088, 405110, 810220, 1620440]

約数ペア:

[(1, 1620440), (2, 810220), (4, 405110), (5, 324088), (8, 202555), (10, 162044), (17, 95320), (20, 81022), (34, 47660), (40, 40511), (68, 23830), (85, 19064), (136, 11915), (170, 9532), (340, 4766), (680, 2383)]