13987480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{727}}^1$

素因数の和:788

約数の個数: 64

約数和(自身を含む): 34856640

約数和(自身を除く): 20869160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 727, 740, 962, 1454, 1480, 1924, 2405, 2908, 3635, 3848, 4810, 5816, 7270, 9451, 9620, 14540, 18902, 19240, 26899, 29080, 37804, 47255, 53798, 75608, 94510, 107596, 134495, 189020, 215192, 268990, 349687, 378040, 537980, 699374, 1075960, 1398748, 1748435, 2797496, 3496870, 6993740, 13987480]

約数ペア:

[(1, 13987480), (2, 6993740), (4, 3496870), (5, 2797496), (8, 1748435), (10, 1398748), (13, 1075960), (20, 699374), (26, 537980), (37, 378040), (40, 349687), (52, 268990), (65, 215192), (74, 189020), (104, 134495), (130, 107596), (148, 94510), (185, 75608), (260, 53798), (296, 47255), (370, 37804), (481, 29080), (520, 26899), (727, 19240), (740, 18902), (962, 14540), (1454, 9620), (1480, 9451), (1924, 7270), (2405, 5816), (2908, 4810), (3635, 3848)]