15913750

素因数分解:

$2^1\times 5^4\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:490

約数の個数: 40

約数和(自身を含む): 30927600

約数和(自身を除く): 15013850

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 125, 145, 250, 290, 439, 625, 725, 878, 1250, 1450, 2195, 3625, 4390, 7250, 10975, 12731, 18125, 21950, 25462, 36250, 54875, 63655, 109750, 127310, 274375, 318275, 548750, 636550, 1591375, 3182750, 7956875, 15913750]

約数ペア:

[(1, 15913750), (2, 7956875), (5, 3182750), (10, 1591375), (25, 636550), (29, 548750), (50, 318275), (58, 274375), (125, 127310), (145, 109750), (250, 63655), (290, 54875), (439, 36250), (625, 25462), (725, 21950), (878, 18125), (1250, 12731), (1450, 10975), (2195, 7250), (3625, 4390)]