86310020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{253853}}^1$

素因数の和:253879

約数の個数: 24

約数和(自身を含む): 191913624

約数和(自身を除く): 105603604

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 253853, 507706, 1015412, 1269265, 2538530, 4315501, 5077060, 8631002, 17262004, 21577505, 43155010, 86310020]

約数ペア:

[(1, 86310020), (2, 43155010), (4, 21577505), (5, 17262004), (10, 8631002), (17, 5077060), (20, 4315501), (34, 2538530), (68, 1269265), (85, 1015412), (170, 507706), (340, 253853)]