1391414720

素因数分解:

$2^6\times 5^1\times {\mathrm{4348171}}^1$

素因数の和:4348188

約数の個数: 28

約数和(自身を含む): 3313307064

約数和(自身を除く): 1921892344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 4348171, 8696342, 17392684, 21740855, 34785368, 43481710, 69570736, 86963420, 139141472, 173926840, 278282944, 347853680, 695707360, 1391414720]

約数ペア:

[(1, 1391414720), (2, 695707360), (4, 347853680), (5, 278282944), (8, 173926840), (10, 139141472), (16, 86963420), (20, 69570736), (32, 43481710), (40, 34785368), (64, 21740855), (80, 17392684), (160, 8696342), (320, 4348171)]