87208540

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{431}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 187536384

約数和(自身を除く): 100327844

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 151, 268, 302, 335, 431, 604, 670, 755, 862, 1340, 1510, 1724, 2155, 3020, 4310, 8620, 10117, 20234, 28877, 40468, 50585, 57754, 65081, 101170, 115508, 130162, 144385, 202340, 260324, 288770, 325405, 577540, 650810, 1301620, 4360427, 8720854, 17441708, 21802135, 43604270, 87208540]

約数ペア:

[(1, 87208540), (2, 43604270), (4, 21802135), (5, 17441708), (10, 8720854), (20, 4360427), (67, 1301620), (134, 650810), (151, 577540), (268, 325405), (302, 288770), (335, 260324), (431, 202340), (604, 144385), (670, 130162), (755, 115508), (862, 101170), (1340, 65081), (1510, 57754), (1724, 50585), (2155, 40468), (3020, 28877), (4310, 20234), (8620, 10117)]