8220680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15809}}^1$

素因数の和:15833

約数の個数: 32

約数和(自身を含む): 19920600

約数和(自身を除く): 11699920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15809, 31618, 63236, 79045, 126472, 158090, 205517, 316180, 411034, 632360, 822068, 1027585, 1644136, 2055170, 4110340, 8220680]

約数ペア:

[(1, 8220680), (2, 4110340), (4, 2055170), (5, 1644136), (8, 1027585), (10, 822068), (13, 632360), (20, 411034), (26, 316180), (40, 205517), (52, 158090), (65, 126472), (104, 79045), (130, 63236), (260, 31618), (520, 15809)]