2445040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2351}}^1$

素因数の和:2377

約数の個数: 40

約数和(自身を含む): 6124608

約数和(自身を除く): 3679568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2351, 4702, 9404, 11755, 18808, 23510, 30563, 37616, 47020, 61126, 94040, 122252, 152815, 188080, 244504, 305630, 489008, 611260, 1222520, 2445040]

約数ペア:

[(1, 2445040), (2, 1222520), (4, 611260), (5, 489008), (8, 305630), (10, 244504), (13, 188080), (16, 152815), (20, 122252), (26, 94040), (40, 61126), (52, 47020), (65, 37616), (80, 30563), (104, 23510), (130, 18808), (208, 11755), (260, 9404), (520, 4702), (1040, 2351)]