20888970050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{212827}}^1$

素因数の和:213003

約数の個数: 48

約数和(自身を含む): 42119512512

約数和(自身を除く): 21230542462

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 151, 302, 325, 650, 755, 1510, 1963, 3775, 3926, 7550, 9815, 19630, 49075, 98150, 212827, 425654, 1064135, 2128270, 2766751, 5320675, 5533502, 10641350, 13833755, 27667510, 32136877, 64273754, 69168775, 138337550, 160684385, 321368770, 417779401, 803421925, 835558802, 1606843850, 2088897005, 4177794010, 10444485025, 20888970050]

約数ペア:

[(1, 20888970050), (2, 10444485025), (5, 4177794010), (10, 2088897005), (13, 1606843850), (25, 835558802), (26, 803421925), (50, 417779401), (65, 321368770), (130, 160684385), (151, 138337550), (302, 69168775), (325, 64273754), (650, 32136877), (755, 27667510), (1510, 13833755), (1963, 10641350), (3775, 5533502), (3926, 5320675), (7550, 2766751), (9815, 2128270), (19630, 1064135), (49075, 425654), (98150, 212827)]