161110000

素因数分解:

$2^4\times 5^4\times {\mathrm{16111}}^1$

素因数の和:16139

約数の個数: 50

約数和(自身を含む): 390087632

約数和(自身を除く): 228977632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 10000, 16111, 32222, 64444, 80555, 128888, 161110, 257776, 322220, 402775, 644440, 805550, 1288880, 1611100, 2013875, 3222200, 4027750, 6444400, 8055500, 10069375, 16111000, 20138750, 32222000, 40277500, 80555000, 161110000]

約数ペア:

[(1, 161110000), (2, 80555000), (4, 40277500), (5, 32222000), (8, 20138750), (10, 16111000), (16, 10069375), (20, 8055500), (25, 6444400), (40, 4027750), (50, 3222200), (80, 2013875), (100, 1611100), (125, 1288880), (200, 805550), (250, 644440), (400, 402775), (500, 322220), (625, 257776), (1000, 161110), (1250, 128888), (2000, 80555), (2500, 64444), (5000, 32222), (10000, 16111)]