66073240

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{6581}}^1$

素因数の和:6843

約数の個数: 32

約数和(自身を含む): 149279760

約数和(自身を除く): 83206520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 6581, 10040, 13162, 26324, 32905, 52648, 65810, 131620, 263240, 1651831, 3303662, 6607324, 8259155, 13214648, 16518310, 33036620, 66073240]

約数ペア:

[(1, 66073240), (2, 33036620), (4, 16518310), (5, 13214648), (8, 8259155), (10, 6607324), (20, 3303662), (40, 1651831), (251, 263240), (502, 131620), (1004, 65810), (1255, 52648), (2008, 32905), (2510, 26324), (5020, 13162), (6581, 10040)]