39705720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{809}}^1$

素因数の和:1232

約数の個数: 64

約数和(自身を含む): 119556000

約数和(自身を除く): 79850280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 409, 809, 818, 1227, 1618, 1636, 2045, 2427, 2454, 3236, 3272, 4045, 4090, 4854, 4908, 6135, 6472, 8090, 8180, 9708, 9816, 12135, 12270, 16180, 16360, 19416, 24270, 24540, 32360, 48540, 49080, 97080, 330881, 661762, 992643, 1323524, 1654405, 1985286, 2647048, 3308810, 3970572, 4963215, 6617620, 7941144, 9926430, 13235240, 19852860, 39705720]

約数ペア:

[(1, 39705720), (2, 19852860), (3, 13235240), (4, 9926430), (5, 7941144), (6, 6617620), (8, 4963215), (10, 3970572), (12, 3308810), (15, 2647048), (20, 1985286), (24, 1654405), (30, 1323524), (40, 992643), (60, 661762), (120, 330881), (409, 97080), (809, 49080), (818, 48540), (1227, 32360), (1618, 24540), (1636, 24270), (2045, 19416), (2427, 16360), (2454, 16180), (3236, 12270), (3272, 12135), (4045, 9816), (4090, 9708), (4854, 8180), (4908, 8090), (6135, 6472)]