65062720

素因数分解:

$2^6\times 5^1\times {\mathrm{203321}}^1$

素因数の和:203338

約数の個数: 28

約数和(自身を含む): 154931364

約数和(自身を除く): 89868644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 203321, 406642, 813284, 1016605, 1626568, 2033210, 3253136, 4066420, 6506272, 8132840, 13012544, 16265680, 32531360, 65062720]

約数ペア:

[(1, 65062720), (2, 32531360), (4, 16265680), (5, 13012544), (8, 8132840), (10, 6506272), (16, 4066420), (20, 3253136), (32, 2033210), (40, 1626568), (64, 1016605), (80, 813284), (160, 406642), (320, 203321)]