24999340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{709}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 55107360

約数和(自身を除く): 30108020

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 709, 820, 860, 1418, 1763, 2836, 3526, 3545, 7052, 7090, 8815, 14180, 17630, 29069, 30487, 35260, 58138, 60974, 116276, 121948, 145345, 152435, 290690, 304870, 581380, 609740, 1249967, 2499934, 4999868, 6249835, 12499670, 24999340]

約数ペア:

[(1, 24999340), (2, 12499670), (4, 6249835), (5, 4999868), (10, 2499934), (20, 1249967), (41, 609740), (43, 581380), (82, 304870), (86, 290690), (164, 152435), (172, 145345), (205, 121948), (215, 116276), (410, 60974), (430, 58138), (709, 35260), (820, 30487), (860, 29069), (1418, 17630), (1763, 14180), (2836, 8815), (3526, 7090), (3545, 7052)]