266450120

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^2\times {\mathrm{653}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 606434580

約数和(自身を除く): 339984460

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 653, 808, 1010, 1306, 2020, 2612, 3265, 4040, 5224, 6530, 10201, 13060, 20402, 26120, 40804, 51005, 65953, 81608, 102010, 131906, 204020, 263812, 329765, 408040, 527624, 659530, 1319060, 2638120, 6661253, 13322506, 26645012, 33306265, 53290024, 66612530, 133225060, 266450120]

約数ペア:

[(1, 266450120), (2, 133225060), (4, 66612530), (5, 53290024), (8, 33306265), (10, 26645012), (20, 13322506), (40, 6661253), (101, 2638120), (202, 1319060), (404, 659530), (505, 527624), (653, 408040), (808, 329765), (1010, 263812), (1306, 204020), (2020, 131906), (2612, 102010), (3265, 81608), (4040, 65953), (5224, 51005), (6530, 40804), (10201, 26120), (13060, 20402)]