64042280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51647}}^1$

素因数の和:51689

約数の個数: 32

約数和(自身を含む): 148746240

約数和(自身を除く): 84703960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 51647, 103294, 206588, 258235, 413176, 516470, 1032940, 1601057, 2065880, 3202114, 6404228, 8005285, 12808456, 16010570, 32021140, 64042280]

約数ペア:

[(1, 64042280), (2, 32021140), (4, 16010570), (5, 12808456), (8, 8005285), (10, 6404228), (20, 3202114), (31, 2065880), (40, 1601057), (62, 1032940), (124, 516470), (155, 413176), (248, 258235), (310, 206588), (620, 103294), (1240, 51647)]