2205920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{811}}^1$

素因数の和:843

約数の個数: 48

約数和(自身を含む): 5524848

約数和(自身を除く): 3318928

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, 811, 1360, 1622, 2720, 3244, 4055, 6488, 8110, 12976, 13787, 16220, 25952, 27574, 32440, 55148, 64880, 68935, 110296, 129760, 137870, 220592, 275740, 441184, 551480, 1102960, 2205920]

約数ペア:

[(1, 2205920), (2, 1102960), (4, 551480), (5, 441184), (8, 275740), (10, 220592), (16, 137870), (17, 129760), (20, 110296), (32, 68935), (34, 64880), (40, 55148), (68, 32440), (80, 27574), (85, 25952), (136, 16220), (160, 13787), (170, 12976), (272, 8110), (340, 6488), (544, 4055), (680, 3244), (811, 2720), (1360, 1622)]