2177440

素因数分解:

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

素因数の和:485

約数の個数: 48

約数和(自身を含む): 5322240

約数和(自身を除く): 3144800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 439, 496, 620, 878, 992, 1240, 1756, 2195, 2480, 3512, 4390, 4960, 7024, 8780, 13609, 14048, 17560, 27218, 35120, 54436, 68045, 70240, 108872, 136090, 217744, 272180, 435488, 544360, 1088720, 2177440]

約数ペア:

[(1, 2177440), (2, 1088720), (4, 544360), (5, 435488), (8, 272180), (10, 217744), (16, 136090), (20, 108872), (31, 70240), (32, 68045), (40, 54436), (62, 35120), (80, 27218), (124, 17560), (155, 14048), (160, 13609), (248, 8780), (310, 7024), (439, 4960), (496, 4390), (620, 3512), (878, 2480), (992, 2195), (1240, 1756)]