21774400

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:492

約数の個数: 84

約数和(自身を含む): 55432960

約数和(自身を除く): 33658560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 155, 160, 200, 248, 310, 320, 400, 439, 496, 620, 775, 800, 878, 992, 1240, 1550, 1600, 1756, 1984, 2195, 2480, 3100, 3512, 4390, 4960, 6200, 7024, 8780, 9920, 10975, 12400, 13609, 14048, 17560, 21950, 24800, 27218, 28096, 35120, 43900, 49600, 54436, 68045, 70240, 87800, 108872, 136090, 140480, 175600, 217744, 272180, 340225, 351200, 435488, 544360, 680450, 702400, 870976, 1088720, 1360900, 2177440, 2721800, 4354880, 5443600, 10887200, 21774400]

約数ペア:

[(1, 21774400), (2, 10887200), (4, 5443600), (5, 4354880), (8, 2721800), (10, 2177440), (16, 1360900), (20, 1088720), (25, 870976), (31, 702400), (32, 680450), (40, 544360), (50, 435488), (62, 351200), (64, 340225), (80, 272180), (100, 217744), (124, 175600), (155, 140480), (160, 136090), (200, 108872), (248, 87800), (310, 70240), (320, 68045), (400, 54436), (439, 49600), (496, 43900), (620, 35120), (775, 28096), (800, 27218), (878, 24800), (992, 21950), (1240, 17560), (1550, 14048), (1600, 13609), (1756, 12400), (1984, 10975), (2195, 9920), (2480, 8780), (3100, 7024), (3512, 6200), (4390, 4960)]