1681640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2473}}^1$

素因数の和:2501

約数の個数: 32

約数和(自身を含む): 4007880

約数和(自身を除く): 2326240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 2473, 4946, 9892, 12365, 19784, 24730, 42041, 49460, 84082, 98920, 168164, 210205, 336328, 420410, 840820, 1681640]

約数ペア:

[(1, 1681640), (2, 840820), (4, 420410), (5, 336328), (8, 210205), (10, 168164), (17, 98920), (20, 84082), (34, 49460), (40, 42041), (68, 24730), (85, 19784), (136, 12365), (170, 9892), (340, 4946), (680, 2473)]