25440050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 50740800

約数和(自身を除く): 25300750

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 61, 95, 122, 190, 305, 439, 475, 610, 878, 950, 1159, 1525, 2195, 2318, 3050, 4390, 5795, 8341, 10975, 11590, 16682, 21950, 26779, 28975, 41705, 53558, 57950, 83410, 133895, 208525, 267790, 417050, 508801, 669475, 1017602, 1338950, 2544005, 5088010, 12720025, 25440050]

約数ペア:

[(1, 25440050), (2, 12720025), (5, 5088010), (10, 2544005), (19, 1338950), (25, 1017602), (38, 669475), (50, 508801), (61, 417050), (95, 267790), (122, 208525), (190, 133895), (305, 83410), (439, 57950), (475, 53558), (610, 41705), (878, 28975), (950, 26779), (1159, 21950), (1525, 16682), (2195, 11590), (2318, 10975), (3050, 8341), (4390, 5795)]