128464250

素因数分解:

$2^1\times 5^3\times {\mathrm{317}}^1\times {\mathrm{1621}}^1$

素因数の和:1955

約数の個数: 32

約数和(自身を含む): 241392528

約数和(自身を除く): 112928278

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 317, 634, 1585, 1621, 3170, 3242, 7925, 8105, 15850, 16210, 39625, 40525, 79250, 81050, 202625, 405250, 513857, 1027714, 2569285, 5138570, 12846425, 25692850, 64232125, 128464250]

約数ペア:

[(1, 128464250), (2, 64232125), (5, 25692850), (10, 12846425), (25, 5138570), (50, 2569285), (125, 1027714), (250, 513857), (317, 405250), (634, 202625), (1585, 81050), (1621, 79250), (3170, 40525), (3242, 39625), (7925, 16210), (8105, 15850)]