51636080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:534

約数の個数: 80

約数和(自身を含む): 126849024

約数和(自身を除く): 75212944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 47, 62, 80, 94, 124, 155, 188, 235, 248, 310, 376, 443, 470, 496, 620, 752, 886, 940, 1240, 1457, 1772, 1880, 2215, 2480, 2914, 3544, 3760, 4430, 5828, 7088, 7285, 8860, 11656, 13733, 14570, 17720, 20821, 23312, 27466, 29140, 35440, 41642, 54932, 58280, 68665, 83284, 104105, 109864, 116560, 137330, 166568, 208210, 219728, 274660, 333136, 416420, 549320, 645451, 832840, 1098640, 1290902, 1665680, 2581804, 3227255, 5163608, 6454510, 10327216, 12909020, 25818040, 51636080]

約数ペア:

[(1, 51636080), (2, 25818040), (4, 12909020), (5, 10327216), (8, 6454510), (10, 5163608), (16, 3227255), (20, 2581804), (31, 1665680), (40, 1290902), (47, 1098640), (62, 832840), (80, 645451), (94, 549320), (124, 416420), (155, 333136), (188, 274660), (235, 219728), (248, 208210), (310, 166568), (376, 137330), (443, 116560), (470, 109864), (496, 104105), (620, 83284), (752, 68665), (886, 58280), (940, 54932), (1240, 41642), (1457, 35440), (1772, 29140), (1880, 27466), (2215, 23312), (2480, 20821), (2914, 17720), (3544, 14570), (3760, 13733), (4430, 11656), (5828, 8860), (7088, 7285)]