89142040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{171427}}^1$

素因数の和:171451

約数の個数: 32

約数和(自身を含む): 215999280

約数和(自身を除く): 126857240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 171427, 342854, 685708, 857135, 1371416, 1714270, 2228551, 3428540, 4457102, 6857080, 8914204, 11142755, 17828408, 22285510, 44571020, 89142040]

約数ペア:

[(1, 89142040), (2, 44571020), (4, 22285510), (5, 17828408), (8, 11142755), (10, 8914204), (13, 6857080), (20, 4457102), (26, 3428540), (40, 2228551), (52, 1714270), (65, 1371416), (104, 857135), (130, 685708), (260, 342854), (520, 171427)]