65628700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{16007}}^1$

素因数の和:16062

約数の個数: 36

約数和(自身を含む): 145896912

約数和(自身を除く): 80268212

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 16007, 32014, 64028, 80035, 160070, 320140, 400175, 656287, 800350, 1312574, 1600700, 2625148, 3281435, 6562870, 13125740, 16407175, 32814350, 65628700]

約数ペア:

[(1, 65628700), (2, 32814350), (4, 16407175), (5, 13125740), (10, 6562870), (20, 3281435), (25, 2625148), (41, 1600700), (50, 1312574), (82, 800350), (100, 656287), (164, 400175), (205, 320140), (410, 160070), (820, 80035), (1025, 64028), (2050, 32014), (4100, 16007)]