79340560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76289}}^1$

素因数の和:76315

約数の個数: 40

約数和(自身を含む): 198659160

約数和(自身を除く): 119318600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 76289, 152578, 305156, 381445, 610312, 762890, 991757, 1220624, 1525780, 1983514, 3051560, 3967028, 4958785, 6103120, 7934056, 9917570, 15868112, 19835140, 39670280, 79340560]

約数ペア:

[(1, 79340560), (2, 39670280), (4, 19835140), (5, 15868112), (8, 9917570), (10, 7934056), (13, 6103120), (16, 4958785), (20, 3967028), (26, 3051560), (40, 1983514), (52, 1525780), (65, 1220624), (80, 991757), (104, 762890), (130, 610312), (208, 381445), (260, 305156), (520, 152578), (1040, 76289)]