51169840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 125706240

約数和(自身を除く): 74536400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 47, 62, 80, 94, 124, 155, 188, 235, 248, 310, 376, 439, 470, 496, 620, 752, 878, 940, 1240, 1457, 1756, 1880, 2195, 2480, 2914, 3512, 3760, 4390, 5828, 7024, 7285, 8780, 11656, 13609, 14570, 17560, 20633, 23312, 27218, 29140, 35120, 41266, 54436, 58280, 68045, 82532, 103165, 108872, 116560, 136090, 165064, 206330, 217744, 272180, 330128, 412660, 544360, 639623, 825320, 1088720, 1279246, 1650640, 2558492, 3198115, 5116984, 6396230, 10233968, 12792460, 25584920, 51169840]

約数ペア:

[(1, 51169840), (2, 25584920), (4, 12792460), (5, 10233968), (8, 6396230), (10, 5116984), (16, 3198115), (20, 2558492), (31, 1650640), (40, 1279246), (47, 1088720), (62, 825320), (80, 639623), (94, 544360), (124, 412660), (155, 330128), (188, 272180), (235, 217744), (248, 206330), (310, 165064), (376, 136090), (439, 116560), (470, 108872), (496, 103165), (620, 82532), (752, 68045), (878, 58280), (940, 54436), (1240, 41266), (1457, 35120), (1756, 29140), (1880, 27218), (2195, 23312), (2480, 20633), (2914, 17560), (3512, 14570), (3760, 13609), (4390, 11656), (5828, 8780), (7024, 7285)]