25472080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10271}}^1$

素因数の和:10315

約数の個数: 40

約数和(自身を含む): 61138944

約数和(自身を除く): 35666864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 10271, 20542, 41084, 51355, 82168, 102710, 164336, 205420, 318401, 410840, 636802, 821680, 1273604, 1592005, 2547208, 3184010, 5094416, 6368020, 12736040, 25472080]

約数ペア:

[(1, 25472080), (2, 12736040), (4, 6368020), (5, 5094416), (8, 3184010), (10, 2547208), (16, 1592005), (20, 1273604), (31, 821680), (40, 636802), (62, 410840), (80, 318401), (124, 205420), (155, 164336), (248, 102710), (310, 82168), (496, 51355), (620, 41084), (1240, 20542), (2480, 10271)]