13105760

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{811}}^1$

素因数の和:927

約数の個数: 48

約数和(自身を含む): 31307472

約数和(自身を除く): 18201712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 811, 1010, 1616, 1622, 2020, 3232, 3244, 4040, 4055, 6488, 8080, 8110, 12976, 16160, 16220, 25952, 32440, 64880, 81911, 129760, 163822, 327644, 409555, 655288, 819110, 1310576, 1638220, 2621152, 3276440, 6552880, 13105760]

約数ペア:

[(1, 13105760), (2, 6552880), (4, 3276440), (5, 2621152), (8, 1638220), (10, 1310576), (16, 819110), (20, 655288), (32, 409555), (40, 327644), (80, 163822), (101, 129760), (160, 81911), (202, 64880), (404, 32440), (505, 25952), (808, 16220), (811, 16160), (1010, 12976), (1616, 8110), (1622, 8080), (2020, 6488), (3232, 4055), (3244, 4040)]