64689040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{62201}}^1$

素因数の和:62227

約数の個数: 40

約数和(自身を含む): 161974008

約数和(自身を除く): 97284968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 62201, 124402, 248804, 311005, 497608, 622010, 808613, 995216, 1244020, 1617226, 2488040, 3234452, 4043065, 4976080, 6468904, 8086130, 12937808, 16172260, 32344520, 64689040]

約数ペア:

[(1, 64689040), (2, 32344520), (4, 16172260), (5, 12937808), (8, 8086130), (10, 6468904), (13, 4976080), (16, 4043065), (20, 3234452), (26, 2488040), (40, 1617226), (52, 1244020), (65, 995216), (80, 808613), (104, 622010), (130, 497608), (208, 311005), (260, 248804), (520, 124402), (1040, 62201)]