68530540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1151}}^1$

素因数の和:1402

約数の個数: 48

約数和(自身を含む): 155796480

約数和(自身を除く): 87265940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 229, 260, 458, 916, 1145, 1151, 2290, 2302, 2977, 4580, 4604, 5755, 5954, 11510, 11908, 14885, 14963, 23020, 29770, 29926, 59540, 59852, 74815, 149630, 263579, 299260, 527158, 1054316, 1317895, 2635790, 3426527, 5271580, 6853054, 13706108, 17132635, 34265270, 68530540]

約数ペア:

[(1, 68530540), (2, 34265270), (4, 17132635), (5, 13706108), (10, 6853054), (13, 5271580), (20, 3426527), (26, 2635790), (52, 1317895), (65, 1054316), (130, 527158), (229, 299260), (260, 263579), (458, 149630), (916, 74815), (1145, 59852), (1151, 59540), (2290, 29926), (2302, 29770), (2977, 23020), (4580, 14963), (4604, 14885), (5755, 11908), (5954, 11510)]