25070740

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 54432000

約数和(自身を除く): 29361260

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 149, 179, 188, 235, 298, 358, 470, 596, 716, 745, 895, 940, 1490, 1790, 2980, 3580, 7003, 8413, 14006, 16826, 26671, 28012, 33652, 35015, 42065, 53342, 70030, 84130, 106684, 133355, 140060, 168260, 266710, 533420, 1253537, 2507074, 5014148, 6267685, 12535370, 25070740]

約数ペア:

[(1, 25070740), (2, 12535370), (4, 6267685), (5, 5014148), (10, 2507074), (20, 1253537), (47, 533420), (94, 266710), (149, 168260), (179, 140060), (188, 133355), (235, 106684), (298, 84130), (358, 70030), (470, 53342), (596, 42065), (716, 35015), (745, 33652), (895, 28012), (940, 26671), (1490, 16826), (1790, 14006), (2980, 8413), (3580, 7003)]