19310000

素因数分解:

$2^4\times 5^4\times {\mathrm{1931}}^1$

素因数の和:1959

約数の個数: 50

約数和(自身を含む): 46775652

約数和(自身を除く): 27465652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 1931, 2000, 2500, 3862, 5000, 7724, 9655, 10000, 15448, 19310, 30896, 38620, 48275, 77240, 96550, 154480, 193100, 241375, 386200, 482750, 772400, 965500, 1206875, 1931000, 2413750, 3862000, 4827500, 9655000, 19310000]

約数ペア:

[(1, 19310000), (2, 9655000), (4, 4827500), (5, 3862000), (8, 2413750), (10, 1931000), (16, 1206875), (20, 965500), (25, 772400), (40, 482750), (50, 386200), (80, 241375), (100, 193100), (125, 154480), (200, 96550), (250, 77240), (400, 48275), (500, 38620), (625, 30896), (1000, 19310), (1250, 15448), (1931, 10000), (2000, 9655), (2500, 7724), (3862, 5000)]