66267620

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 143337600

約数和(自身を除く): 77069980

約数列:

[1, 2, 4, 5, 10, 20, 59, 89, 118, 178, 236, 295, 356, 445, 590, 631, 890, 1180, 1262, 1780, 2524, 3155, 5251, 6310, 10502, 12620, 21004, 26255, 37229, 52510, 56159, 74458, 105020, 112318, 148916, 186145, 224636, 280795, 372290, 561590, 744580, 1123180, 3313381, 6626762, 13253524, 16566905, 33133810, 66267620]

約数ペア:

[(1, 66267620), (2, 33133810), (4, 16566905), (5, 13253524), (10, 6626762), (20, 3313381), (59, 1123180), (89, 744580), (118, 561590), (178, 372290), (236, 280795), (295, 224636), (356, 186145), (445, 148916), (590, 112318), (631, 105020), (890, 74458), (1180, 56159), (1262, 52510), (1780, 37229), (2524, 26255), (3155, 21004), (5251, 12620), (6310, 10502)]