16966421420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1517569}}^1$

素因数の和:1517634

約数の個数: 48

約数和(自身を含む): 39262571040

約数和(自身を除く): 22296149620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 1517569, 3035138, 6070276, 7587845, 15175690, 19728397, 30351380, 39456794, 65255467, 78913588, 98641985, 130510934, 197283970, 261021868, 326277335, 394567940, 652554670, 848321071, 1305109340, 1696642142, 3393284284, 4241605355, 8483210710, 16966421420]

約数ペア:

[(1, 16966421420), (2, 8483210710), (4, 4241605355), (5, 3393284284), (10, 1696642142), (13, 1305109340), (20, 848321071), (26, 652554670), (43, 394567940), (52, 326277335), (65, 261021868), (86, 197283970), (130, 130510934), (172, 98641985), (215, 78913588), (260, 65255467), (430, 39456794), (559, 30351380), (860, 19728397), (1118, 15175690), (2236, 7587845), (2795, 6070276), (5590, 3035138), (11180, 1517569)]