53784520

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{13313}}^1$

素因数の和:13425

約数の個数: 32

約数和(自身を含む): 122222520

約数和(自身を除く): 68438000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 13313, 26626, 53252, 66565, 106504, 133130, 266260, 532520, 1344613, 2689226, 5378452, 6723065, 10756904, 13446130, 26892260, 53784520]

約数ペア:

[(1, 53784520), (2, 26892260), (4, 13446130), (5, 10756904), (8, 6723065), (10, 5378452), (20, 2689226), (40, 1344613), (101, 532520), (202, 266260), (404, 133130), (505, 106504), (808, 66565), (1010, 53252), (2020, 26626), (4040, 13313)]