25349840

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4463}}^1$

素因数の和:4547

約数の個数: 40

約数和(自身を含む): 59781888

約数和(自身を除く): 34432048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 4463, 5680, 8926, 17852, 22315, 35704, 44630, 71408, 89260, 178520, 316873, 357040, 633746, 1267492, 1584365, 2534984, 3168730, 5069968, 6337460, 12674920, 25349840]

約数ペア:

[(1, 25349840), (2, 12674920), (4, 6337460), (5, 5069968), (8, 3168730), (10, 2534984), (16, 1584365), (20, 1267492), (40, 633746), (71, 357040), (80, 316873), (142, 178520), (284, 89260), (355, 71408), (568, 44630), (710, 35704), (1136, 22315), (1420, 17852), (2840, 8926), (4463, 5680)]