51977900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{39983}}^1$

素因数の和:40010

約数の個数: 36

約数和(自身を含む): 121471392

約数和(自身を除く): 69493492

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 39983, 79966, 159932, 199915, 399830, 519779, 799660, 999575, 1039558, 1999150, 2079116, 2598895, 3998300, 5197790, 10395580, 12994475, 25988950, 51977900]

約数ペア:

[(1, 51977900), (2, 25988950), (4, 12994475), (5, 10395580), (10, 5197790), (13, 3998300), (20, 2598895), (25, 2079116), (26, 1999150), (50, 1039558), (52, 999575), (65, 799660), (100, 519779), (130, 399830), (260, 199915), (325, 159932), (650, 79966), (1300, 39983)]