4225840

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{523}}^1$

素因数の和:637

約数の個数: 40

約数和(自身を含む): 9941328

約数和(自身を除く): 5715488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 523, 808, 1010, 1046, 1616, 2020, 2092, 2615, 4040, 4184, 5230, 8080, 8368, 10460, 20920, 41840, 52823, 105646, 211292, 264115, 422584, 528230, 845168, 1056460, 2112920, 4225840]

約数ペア:

[(1, 4225840), (2, 2112920), (4, 1056460), (5, 845168), (8, 528230), (10, 422584), (16, 264115), (20, 211292), (40, 105646), (80, 52823), (101, 41840), (202, 20920), (404, 10460), (505, 8368), (523, 8080), (808, 5230), (1010, 4184), (1046, 4040), (1616, 2615), (2020, 2092)]