2781574090

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{40063}}^1$

素因数の和:40254

約数の個数: 32

約数和(自身を含む): 5140371456

約数和(自身を除く): 2358797366

約数列:

[1, 2, 5, 10, 53, 106, 131, 262, 265, 530, 655, 1310, 6943, 13886, 34715, 40063, 69430, 80126, 200315, 400630, 2123339, 4246678, 5248253, 10496506, 10616695, 21233390, 26241265, 52482530, 278157409, 556314818, 1390787045, 2781574090]

約数ペア:

[(1, 2781574090), (2, 1390787045), (5, 556314818), (10, 278157409), (53, 52482530), (106, 26241265), (131, 21233390), (262, 10616695), (265, 10496506), (530, 5248253), (655, 4246678), (1310, 2123339), (6943, 400630), (13886, 200315), (34715, 80126), (40063, 69430)]