181932920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349871}}^1$

素因数の和:349895

約数の個数: 32

約数和(自身を含む): 440838720

約数和(自身を除く): 258905800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 349871, 699742, 1399484, 1749355, 2798968, 3498710, 4548323, 6997420, 9096646, 13994840, 18193292, 22741615, 36386584, 45483230, 90966460, 181932920]

約数ペア:

[(1, 181932920), (2, 90966460), (4, 45483230), (5, 36386584), (8, 22741615), (10, 18193292), (13, 13994840), (20, 9096646), (26, 6997420), (40, 4548323), (52, 3498710), (65, 2798968), (104, 1749355), (130, 1399484), (260, 699742), (520, 349871)]