86564920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{166471}}^1$

素因数の和:166495

約数の個数: 32

約数和(自身を含む): 209754720

約数和(自身を除く): 123189800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 166471, 332942, 665884, 832355, 1331768, 1664710, 2164123, 3329420, 4328246, 6658840, 8656492, 10820615, 17312984, 21641230, 43282460, 86564920]

約数ペア:

[(1, 86564920), (2, 43282460), (4, 21641230), (5, 17312984), (8, 10820615), (10, 8656492), (13, 6658840), (20, 4328246), (26, 3329420), (40, 2164123), (52, 1664710), (65, 1331768), (104, 832355), (130, 665884), (260, 332942), (520, 166471)]