201472520

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{15889}}^1$

素因数の和:16217

約数の個数: 32

約数和(自身を含む): 454771800

約数和(自身を除く): 253299280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 12680, 15889, 31778, 63556, 79445, 127112, 158890, 317780, 635560, 5036813, 10073626, 20147252, 25184065, 40294504, 50368130, 100736260, 201472520]

約数ペア:

[(1, 201472520), (2, 100736260), (4, 50368130), (5, 40294504), (8, 25184065), (10, 20147252), (20, 10073626), (40, 5036813), (317, 635560), (634, 317780), (1268, 158890), (1585, 127112), (2536, 79445), (3170, 63556), (6340, 31778), (12680, 15889)]