25058840

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7039}}^1$

素因数の和:7139

約数の個数: 32

約数和(自身を含む): 57024000

約数和(自身を除く): 31965160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 7039, 14078, 28156, 35195, 56312, 70390, 140780, 281560, 626471, 1252942, 2505884, 3132355, 5011768, 6264710, 12529420, 25058840]

約数ペア:

[(1, 25058840), (2, 12529420), (4, 6264710), (5, 5011768), (8, 3132355), (10, 2505884), (20, 1252942), (40, 626471), (89, 281560), (178, 140780), (356, 70390), (445, 56312), (712, 35195), (890, 28156), (1780, 14078), (3560, 7039)]