15418640

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5209}}^1$

素因数の和:5259

約数の個数: 40

約数和(自身を含む): 36824280

約数和(自身を除く): 21405640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 5209, 10418, 20836, 26045, 41672, 52090, 83344, 104180, 192733, 208360, 385466, 416720, 770932, 963665, 1541864, 1927330, 3083728, 3854660, 7709320, 15418640]

約数ペア:

[(1, 15418640), (2, 7709320), (4, 3854660), (5, 3083728), (8, 1927330), (10, 1541864), (16, 963665), (20, 770932), (37, 416720), (40, 385466), (74, 208360), (80, 192733), (148, 104180), (185, 83344), (296, 52090), (370, 41672), (592, 26045), (740, 20836), (1480, 10418), (2960, 5209)]