31005580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1163}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 68834304

約数和(自身を除く): 37828724

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 620, 860, 1163, 1333, 2326, 2666, 4652, 5332, 5815, 6665, 11630, 13330, 23260, 26660, 36053, 50009, 72106, 100018, 144212, 180265, 200036, 250045, 360530, 500090, 721060, 1000180, 1550279, 3100558, 6201116, 7751395, 15502790, 31005580]

約数ペア:

[(1, 31005580), (2, 15502790), (4, 7751395), (5, 6201116), (10, 3100558), (20, 1550279), (31, 1000180), (43, 721060), (62, 500090), (86, 360530), (124, 250045), (155, 200036), (172, 180265), (215, 144212), (310, 100018), (430, 72106), (620, 50009), (860, 36053), (1163, 26660), (1333, 23260), (2326, 13330), (2666, 11630), (4652, 6665), (5332, 5815)]