39670280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76289}}^1$

素因数の和:76313

約数の個数: 32

約数和(自身を含む): 96125400

約数和(自身を除く): 56455120

約数列:

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

約数ペア:

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