16564940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{16903}}^1$

素因数の和:16926

約数の個数: 36

約数和(自身を含む): 40468176

約数和(自身を除く): 23903236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 16903, 33806, 67612, 84515, 118321, 169030, 236642, 338060, 473284, 591605, 828247, 1183210, 1656494, 2366420, 3312988, 4141235, 8282470, 16564940]

約数ペア:

[(1, 16564940), (2, 8282470), (4, 4141235), (5, 3312988), (7, 2366420), (10, 1656494), (14, 1183210), (20, 828247), (28, 591605), (35, 473284), (49, 338060), (70, 236642), (98, 169030), (140, 118321), (196, 84515), (245, 67612), (490, 33806), (980, 16903)]