22445000

素因数分解:

$2^3\times 5^4\times {\mathrm{67}}^2$

素因数の和:160

約数の個数: 60

約数和(自身を含む): 53385255

約数和(自身を除く): 30940255

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 67, 100, 125, 134, 200, 250, 268, 335, 500, 536, 625, 670, 1000, 1250, 1340, 1675, 2500, 2680, 3350, 4489, 5000, 6700, 8375, 8978, 13400, 16750, 17956, 22445, 33500, 35912, 41875, 44890, 67000, 83750, 89780, 112225, 167500, 179560, 224450, 335000, 448900, 561125, 897800, 1122250, 2244500, 2805625, 4489000, 5611250, 11222500, 22445000]

約数ペア:

[(1, 22445000), (2, 11222500), (4, 5611250), (5, 4489000), (8, 2805625), (10, 2244500), (20, 1122250), (25, 897800), (40, 561125), (50, 448900), (67, 335000), (100, 224450), (125, 179560), (134, 167500), (200, 112225), (250, 89780), (268, 83750), (335, 67000), (500, 44890), (536, 41875), (625, 35912), (670, 33500), (1000, 22445), (1250, 17956), (1340, 16750), (1675, 13400), (2500, 8978), (2680, 8375), (3350, 6700), (4489, 5000)]