200548120

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{12503}}^1$

素因数の和:12915

約数の個数: 32

約数和(自身を含む): 452394720

約数和(自身を除く): 251846600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 12503, 16040, 25006, 50012, 62515, 100024, 125030, 250060, 500120, 5013703, 10027406, 20054812, 25068515, 40109624, 50137030, 100274060, 200548120]

約数ペア:

[(1, 200548120), (2, 100274060), (4, 50137030), (5, 40109624), (8, 25068515), (10, 20054812), (20, 10027406), (40, 5013703), (401, 500120), (802, 250060), (1604, 125030), (2005, 100024), (3208, 62515), (4010, 50012), (8020, 25006), (12503, 16040)]