51857440

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3209}}^1$

素因数の和:3325

約数の個数: 48

約数和(自身を含む): 123764760

約数和(自身を除く): 71907320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1616, 2020, 3209, 3232, 4040, 6418, 8080, 12836, 16045, 16160, 25672, 32090, 51344, 64180, 102688, 128360, 256720, 324109, 513440, 648218, 1296436, 1620545, 2592872, 3241090, 5185744, 6482180, 10371488, 12964360, 25928720, 51857440]

約数ペア:

[(1, 51857440), (2, 25928720), (4, 12964360), (5, 10371488), (8, 6482180), (10, 5185744), (16, 3241090), (20, 2592872), (32, 1620545), (40, 1296436), (80, 648218), (101, 513440), (160, 324109), (202, 256720), (404, 128360), (505, 102688), (808, 64180), (1010, 51344), (1616, 32090), (2020, 25672), (3209, 16160), (3232, 16045), (4040, 12836), (6418, 8080)]