90756640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43633}}^1$

素因数の和:43661

約数の個数: 48

約数和(自身を含む): 230911128

約数和(自身を除く): 140154488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 43633, 87266, 174532, 218165, 349064, 436330, 567229, 698128, 872660, 1134458, 1396256, 1745320, 2268916, 2836145, 3490640, 4537832, 5672290, 6981280, 9075664, 11344580, 18151328, 22689160, 45378320, 90756640]

約数ペア:

[(1, 90756640), (2, 45378320), (4, 22689160), (5, 18151328), (8, 11344580), (10, 9075664), (13, 6981280), (16, 5672290), (20, 4537832), (26, 3490640), (32, 2836145), (40, 2268916), (52, 1745320), (65, 1396256), (80, 1134458), (104, 872660), (130, 698128), (160, 567229), (208, 436330), (260, 349064), (416, 218165), (520, 174532), (1040, 87266), (2080, 43633)]