12657440

素因数分解:

$2^5\times 5^1\times {\mathrm{239}}^1\times {\mathrm{331}}^1$

素因数の和:585

約数の個数: 48

約数和(自身を含む): 30119040

約数和(自身を除く): 17461600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 239, 331, 478, 662, 956, 1195, 1324, 1655, 1912, 2390, 2648, 3310, 3824, 4780, 5296, 6620, 7648, 9560, 10592, 13240, 19120, 26480, 38240, 52960, 79109, 158218, 316436, 395545, 632872, 791090, 1265744, 1582180, 2531488, 3164360, 6328720, 12657440]

約数ペア:

[(1, 12657440), (2, 6328720), (4, 3164360), (5, 2531488), (8, 1582180), (10, 1265744), (16, 791090), (20, 632872), (32, 395545), (40, 316436), (80, 158218), (160, 79109), (239, 52960), (331, 38240), (478, 26480), (662, 19120), (956, 13240), (1195, 10592), (1324, 9560), (1655, 7648), (1912, 6620), (2390, 5296), (2648, 4780), (3310, 3824)]