31728680

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2927}}^1$

素因数の和:3209

約数の個数: 32

約数和(自身を含む): 71677440

約数和(自身を除く): 39948760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 2927, 5420, 5854, 10840, 11708, 14635, 23416, 29270, 58540, 117080, 793217, 1586434, 3172868, 3966085, 6345736, 7932170, 15864340, 31728680]

約数ペア:

[(1, 31728680), (2, 15864340), (4, 7932170), (5, 6345736), (8, 3966085), (10, 3172868), (20, 1586434), (40, 793217), (271, 117080), (542, 58540), (1084, 29270), (1355, 23416), (2168, 14635), (2710, 11708), (2927, 10840), (5420, 5854)]