31350280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60289}}^1$

素因数の和:60313

約数の個数: 32

約数和(自身を含む): 75965400

約数和(自身を除く): 44615120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 60289, 120578, 241156, 301445, 482312, 602890, 783757, 1205780, 1567514, 2411560, 3135028, 3918785, 6270056, 7837570, 15675140, 31350280]

約数ペア:

[(1, 31350280), (2, 15675140), (4, 7837570), (5, 6270056), (8, 3918785), (10, 3135028), (13, 2411560), (20, 1567514), (26, 1205780), (40, 783757), (52, 602890), (65, 482312), (104, 301445), (130, 241156), (260, 120578), (520, 60289)]