18482720

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1627}}^1$

素因数の和:1713

約数の個数: 48

約数和(自身を含む): 44307648

約数和(自身を除く): 25824928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 1627, 2272, 2840, 3254, 5680, 6508, 8135, 11360, 13016, 16270, 26032, 32540, 52064, 65080, 115517, 130160, 231034, 260320, 462068, 577585, 924136, 1155170, 1848272, 2310340, 3696544, 4620680, 9241360, 18482720]

約数ペア:

[(1, 18482720), (2, 9241360), (4, 4620680), (5, 3696544), (8, 2310340), (10, 1848272), (16, 1155170), (20, 924136), (32, 577585), (40, 462068), (71, 260320), (80, 231034), (142, 130160), (160, 115517), (284, 65080), (355, 52064), (568, 32540), (710, 26032), (1136, 16270), (1420, 13016), (1627, 11360), (2272, 8135), (2840, 6508), (3254, 5680)]