25389520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24413}}^1$

素因数の和:24439

約数の個数: 40

約数和(自身を含む): 63574056

約数和(自身を除く): 38184536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 24413, 48826, 97652, 122065, 195304, 244130, 317369, 390608, 488260, 634738, 976520, 1269476, 1586845, 1953040, 2538952, 3173690, 5077904, 6347380, 12694760, 25389520]

約数ペア:

[(1, 25389520), (2, 12694760), (4, 6347380), (5, 5077904), (8, 3173690), (10, 2538952), (13, 1953040), (16, 1586845), (20, 1269476), (26, 976520), (40, 634738), (52, 488260), (65, 390608), (80, 317369), (104, 244130), (130, 195304), (208, 122065), (260, 97652), (520, 48826), (1040, 24413)]