19886290250

素因数分解:

$2^1\times 5^3\times {\mathrm{3823}}^1\times {\mathrm{20807}}^1$

素因数の和:24647

約数の個数: 32

約数和(自身を含む): 37238662656

約数和(自身を除く): 17352372406

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 3823, 7646, 19115, 20807, 38230, 41614, 95575, 104035, 191150, 208070, 477875, 520175, 955750, 1040350, 2600875, 5201750, 79545161, 159090322, 397725805, 795451610, 1988629025, 3977258050, 9943145125, 19886290250]

約数ペア:

[(1, 19886290250), (2, 9943145125), (5, 3977258050), (10, 1988629025), (25, 795451610), (50, 397725805), (125, 159090322), (250, 79545161), (3823, 5201750), (7646, 2600875), (19115, 1040350), (20807, 955750), (38230, 520175), (41614, 477875), (95575, 208070), (104035, 191150)]