65512940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{397}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 142286592

約数和(自身を除く): 76773652

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 223, 370, 397, 446, 740, 794, 892, 1115, 1588, 1985, 2230, 3970, 4460, 7940, 8251, 14689, 16502, 29378, 33004, 41255, 58756, 73445, 82510, 88531, 146890, 165020, 177062, 293780, 354124, 442655, 885310, 1770620, 3275647, 6551294, 13102588, 16378235, 32756470, 65512940]

約数ペア:

[(1, 65512940), (2, 32756470), (4, 16378235), (5, 13102588), (10, 6551294), (20, 3275647), (37, 1770620), (74, 885310), (148, 442655), (185, 354124), (223, 293780), (370, 177062), (397, 165020), (446, 146890), (740, 88531), (794, 82510), (892, 73445), (1115, 58756), (1588, 41255), (1985, 33004), (2230, 29378), (3970, 16502), (4460, 14689), (7940, 8251)]