648040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{953}}^1$

素因数の和:981

約数の個数: 32

約数和(自身を含む): 1545480

約数和(自身を除く): 897440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 953, 1906, 3812, 4765, 7624, 9530, 16201, 19060, 32402, 38120, 64804, 81005, 129608, 162010, 324020, 648040]

約数ペア:

[(1, 648040), (2, 324020), (4, 162010), (5, 129608), (8, 81005), (10, 64804), (17, 38120), (20, 32402), (34, 19060), (40, 16201), (68, 9530), (85, 7624), (136, 4765), (170, 3812), (340, 1906), (680, 953)]