65225920

素因数分解:

$2^6\times 5^1\times {\mathrm{317}}^1\times {\mathrm{643}}^1$

素因数の和:977

約数の個数: 56

約数和(自身を含む): 156051504

約数和(自身を除く): 90825584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 317, 320, 634, 643, 1268, 1286, 1585, 2536, 2572, 3170, 3215, 5072, 5144, 6340, 6430, 10144, 10288, 12680, 12860, 20288, 20576, 25360, 25720, 41152, 50720, 51440, 101440, 102880, 203831, 205760, 407662, 815324, 1019155, 1630648, 2038310, 3261296, 4076620, 6522592, 8153240, 13045184, 16306480, 32612960, 65225920]

約数ペア:

[(1, 65225920), (2, 32612960), (4, 16306480), (5, 13045184), (8, 8153240), (10, 6522592), (16, 4076620), (20, 3261296), (32, 2038310), (40, 1630648), (64, 1019155), (80, 815324), (160, 407662), (317, 205760), (320, 203831), (634, 102880), (643, 101440), (1268, 51440), (1286, 50720), (1585, 41152), (2536, 25720), (2572, 25360), (3170, 20576), (3215, 20288), (5072, 12860), (5144, 12680), (6340, 10288), (6430, 10144)]