260024840

素因数分解:

$2^3\times 5^1\times {\mathrm{6500621}}^1$

素因数の和:6500632

約数の個数: 16

約数和(自身を含む): 585055980

約数和(自身を除く): 325031140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6500621, 13001242, 26002484, 32503105, 52004968, 65006210, 130012420, 260024840]

約数ペア:

[(1, 260024840), (2, 130012420), (4, 65006210), (5, 52004968), (8, 32503105), (10, 26002484), (20, 13001242), (40, 6500621)]