87209720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167711}}^1$

素因数の和:167735

約数の個数: 32

約数和(自身を含む): 211317120

約数和(自身を除く): 124107400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 167711, 335422, 670844, 838555, 1341688, 1677110, 2180243, 3354220, 4360486, 6708440, 8720972, 10901215, 17441944, 21802430, 43604860, 87209720]

約数ペア:

[(1, 87209720), (2, 43604860), (4, 21802430), (5, 17441944), (8, 10901215), (10, 8720972), (13, 6708440), (20, 4360486), (26, 3354220), (40, 2180243), (52, 1677110), (65, 1341688), (104, 838555), (130, 670844), (260, 335422), (520, 167711)]