67447640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{129707}}^1$

素因数の和:129731

約数の個数: 32

約数和(自身を含む): 163432080

約数和(自身を除く): 95984440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 129707, 259414, 518828, 648535, 1037656, 1297070, 1686191, 2594140, 3372382, 5188280, 6744764, 8430955, 13489528, 16861910, 33723820, 67447640]

約数ペア:

[(1, 67447640), (2, 33723820), (4, 16861910), (5, 13489528), (8, 8430955), (10, 6744764), (13, 5188280), (20, 3372382), (26, 2594140), (40, 1686191), (52, 1297070), (65, 1037656), (104, 648535), (130, 518828), (260, 259414), (520, 129707)]