172088720

素因数分解:

$2^4\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{2111}}^1$

素因数の和:3143

約数の個数: 40

約数和(自身を含む): 400688640

約数和(自身を除く): 228599920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1019, 2038, 2111, 4076, 4222, 5095, 8152, 8444, 10190, 10555, 16304, 16888, 20380, 21110, 33776, 40760, 42220, 81520, 84440, 168880, 2151109, 4302218, 8604436, 10755545, 17208872, 21511090, 34417744, 43022180, 86044360, 172088720]

約数ペア:

[(1, 172088720), (2, 86044360), (4, 43022180), (5, 34417744), (8, 21511090), (10, 17208872), (16, 10755545), (20, 8604436), (40, 4302218), (80, 2151109), (1019, 168880), (2038, 84440), (2111, 81520), (4076, 42220), (4222, 40760), (5095, 33776), (8152, 21110), (8444, 20380), (10190, 16888), (10555, 16304)]