64103320

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{5153}}^1$

素因数の和:5475

約数の個数: 32

約数和(自身を含む): 144724320

約数和(自身を除く): 80621000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 5153, 6220, 10306, 12440, 20612, 25765, 41224, 51530, 103060, 206120, 1602583, 3205166, 6410332, 8012915, 12820664, 16025830, 32051660, 64103320]

約数ペア:

[(1, 64103320), (2, 32051660), (4, 16025830), (5, 12820664), (8, 8012915), (10, 6410332), (20, 3205166), (40, 1602583), (311, 206120), (622, 103060), (1244, 51530), (1555, 41224), (2488, 25765), (3110, 20612), (5153, 12440), (6220, 10306)]