65128420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{5227}}^1$

素因数の和:5332

約数の個数: 48

約数和(自身を含む): 158094720

約数和(自身を除く): 92966300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 5227, 6230, 10454, 12460, 20908, 26135, 36589, 52270, 73178, 104540, 146356, 182945, 365890, 465203, 731780, 930406, 1860812, 2326015, 3256421, 4652030, 6512842, 9304060, 13025684, 16282105, 32564210, 65128420]

約数ペア:

[(1, 65128420), (2, 32564210), (4, 16282105), (5, 13025684), (7, 9304060), (10, 6512842), (14, 4652030), (20, 3256421), (28, 2326015), (35, 1860812), (70, 930406), (89, 731780), (140, 465203), (178, 365890), (356, 182945), (445, 146356), (623, 104540), (890, 73178), (1246, 52270), (1780, 36589), (2492, 26135), (3115, 20908), (5227, 12460), (6230, 10454)]