55697440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20477}}^1$

素因数の和:20509

約数の個数: 48

約数和(自身を含む): 139332312

約数和(自身を除く): 83634872

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 20477, 40954, 81908, 102385, 163816, 204770, 327632, 348109, 409540, 655264, 696218, 819080, 1392436, 1638160, 1740545, 2784872, 3276320, 3481090, 5569744, 6962180, 11139488, 13924360, 27848720, 55697440]

約数ペア:

[(1, 55697440), (2, 27848720), (4, 13924360), (5, 11139488), (8, 6962180), (10, 5569744), (16, 3481090), (17, 3276320), (20, 2784872), (32, 1740545), (34, 1638160), (40, 1392436), (68, 819080), (80, 696218), (85, 655264), (136, 409540), (160, 348109), (170, 327632), (272, 204770), (340, 163816), (544, 102385), (680, 81908), (1360, 40954), (2720, 20477)]