66535540

素因数分解:

$2^2\times 5^1\times {\mathrm{829}}^1\times {\mathrm{4013}}^1$

素因数の和:4851

約数の個数: 24

約数和(自身を含む): 139928040

約数和(自身を除く): 73392500

約数列:

[1, 2, 4, 5, 10, 20, 829, 1658, 3316, 4013, 4145, 8026, 8290, 16052, 16580, 20065, 40130, 80260, 3326777, 6653554, 13307108, 16633885, 33267770, 66535540]

約数ペア:

[(1, 66535540), (2, 33267770), (4, 16633885), (5, 13307108), (10, 6653554), (20, 3326777), (829, 80260), (1658, 40130), (3316, 20065), (4013, 16580), (4145, 16052), (8026, 8290)]