65485120

素因数分解:

$2^6\times 5^1\times {\mathrm{204641}}^1$

素因数の和:204658

約数の個数: 28

約数和(自身を含む): 155937204

約数和(自身を除く): 90452084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 204641, 409282, 818564, 1023205, 1637128, 2046410, 3274256, 4092820, 6548512, 8185640, 13097024, 16371280, 32742560, 65485120]

約数ペア:

[(1, 65485120), (2, 32742560), (4, 16371280), (5, 13097024), (8, 8185640), (10, 6548512), (16, 4092820), (20, 3274256), (32, 2046410), (40, 1637128), (64, 1023205), (80, 818564), (160, 409282), (320, 204641)]