64823240

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{30577}}^1$

素因数の和:30641

約数の個数: 32

約数和(自身を含む): 148609080

約数和(自身を除く): 83785840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 30577, 61154, 122308, 152885, 244616, 305770, 611540, 1223080, 1620581, 3241162, 6482324, 8102905, 12964648, 16205810, 32411620, 64823240]

約数ペア:

[(1, 64823240), (2, 32411620), (4, 16205810), (5, 12964648), (8, 8102905), (10, 6482324), (20, 3241162), (40, 1620581), (53, 1223080), (106, 611540), (212, 305770), (265, 244616), (424, 152885), (530, 122308), (1060, 61154), (2120, 30577)]