129643600

素因数分解:

$2^4\times 5^2\times {\mathrm{101}}^1\times {\mathrm{3209}}^1$

素因数の和:3328

約数の個数: 60

約数和(自身を含む): 314650620

約数和(自身を除く): 185007020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 101, 200, 202, 400, 404, 505, 808, 1010, 1616, 2020, 2525, 3209, 4040, 5050, 6418, 8080, 10100, 12836, 16045, 20200, 25672, 32090, 40400, 51344, 64180, 80225, 128360, 160450, 256720, 320900, 324109, 641800, 648218, 1283600, 1296436, 1620545, 2592872, 3241090, 5185744, 6482180, 8102725, 12964360, 16205450, 25928720, 32410900, 64821800, 129643600]

約数ペア:

[(1, 129643600), (2, 64821800), (4, 32410900), (5, 25928720), (8, 16205450), (10, 12964360), (16, 8102725), (20, 6482180), (25, 5185744), (40, 3241090), (50, 2592872), (80, 1620545), (100, 1296436), (101, 1283600), (200, 648218), (202, 641800), (400, 324109), (404, 320900), (505, 256720), (808, 160450), (1010, 128360), (1616, 80225), (2020, 64180), (2525, 51344), (3209, 40400), (4040, 32090), (5050, 25672), (6418, 20200), (8080, 16045), (10100, 12836)]