25820600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9931}}^1$

素因数の和:9960

約数の個数: 48

約数和(自身を含む): 64657320

約数和(自身を除く): 38836720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 9931, 19862, 39724, 49655, 79448, 99310, 129103, 198620, 248275, 258206, 397240, 496550, 516412, 645515, 993100, 1032824, 1291030, 1986200, 2582060, 3227575, 5164120, 6455150, 12910300, 25820600]

約数ペア:

[(1, 25820600), (2, 12910300), (4, 6455150), (5, 5164120), (8, 3227575), (10, 2582060), (13, 1986200), (20, 1291030), (25, 1032824), (26, 993100), (40, 645515), (50, 516412), (52, 496550), (65, 397240), (100, 258206), (104, 248275), (130, 198620), (200, 129103), (260, 99310), (325, 79448), (520, 49655), (650, 39724), (1300, 19862), (2600, 9931)]