89102120

素因数分解:

$2^3\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{1613}}^1$

素因数の和:3005

約数の個数: 32

約数和(自身を含む): 200749320

約数和(自身を除く): 111647200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1381, 1613, 2762, 3226, 5524, 6452, 6905, 8065, 11048, 12904, 13810, 16130, 27620, 32260, 55240, 64520, 2227553, 4455106, 8910212, 11137765, 17820424, 22275530, 44551060, 89102120]

約数ペア:

[(1, 89102120), (2, 44551060), (4, 22275530), (5, 17820424), (8, 11137765), (10, 8910212), (20, 4455106), (40, 2227553), (1381, 64520), (1613, 55240), (2762, 32260), (3226, 27620), (5524, 16130), (6452, 13810), (6905, 12904), (8065, 11048)]