15868840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30517}}^1$

素因数の和:30541

約数の個数: 32

約数和(自身を含む): 38452680

約数和(自身を除く): 22583840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 30517, 61034, 122068, 152585, 244136, 305170, 396721, 610340, 793442, 1220680, 1586884, 1983605, 3173768, 3967210, 7934420, 15868840]

約数ペア:

[(1, 15868840), (2, 7934420), (4, 3967210), (5, 3173768), (8, 1983605), (10, 1586884), (13, 1220680), (20, 793442), (26, 610340), (40, 396721), (52, 305170), (65, 244136), (104, 152585), (130, 122068), (260, 61034), (520, 30517)]