39992420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153817}}^1$

素因数の和:153839

約数の個数: 24

約数和(自身を含む): 90444984

約数和(自身を除く): 50452564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 153817, 307634, 615268, 769085, 1538170, 1999621, 3076340, 3999242, 7998484, 9998105, 19996210, 39992420]

約数ペア:

[(1, 39992420), (2, 19996210), (4, 9998105), (5, 7998484), (10, 3999242), (13, 3076340), (20, 1999621), (26, 1538170), (52, 769085), (65, 615268), (130, 307634), (260, 153817)]