13263760

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4481}}^1$

素因数の和:4531

約数の個数: 40

約数和(自身を含む): 31678776

約数和(自身を除く): 18415016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 4481, 8962, 17924, 22405, 35848, 44810, 71696, 89620, 165797, 179240, 331594, 358480, 663188, 828985, 1326376, 1657970, 2652752, 3315940, 6631880, 13263760]

約数ペア:

[(1, 13263760), (2, 6631880), (4, 3315940), (5, 2652752), (8, 1657970), (10, 1326376), (16, 828985), (20, 663188), (37, 358480), (40, 331594), (74, 179240), (80, 165797), (148, 89620), (185, 71696), (296, 44810), (370, 35848), (592, 22405), (740, 17924), (1480, 8962), (2960, 4481)]