16280625

素因数分解:

$3^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:499

約数の個数: 40

約数和(自身を含む): 28615840

約数和(自身を除く): 12335215

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 375, 457, 475, 625, 1371, 1425, 1875, 2285, 2375, 6855, 7125, 8683, 11425, 11875, 26049, 34275, 35625, 43415, 57125, 130245, 171375, 217075, 285625, 651225, 856875, 1085375, 3256125, 5426875, 16280625]

約数ペア:

[(1, 16280625), (3, 5426875), (5, 3256125), (15, 1085375), (19, 856875), (25, 651225), (57, 285625), (75, 217075), (95, 171375), (125, 130245), (285, 57125), (375, 43415), (457, 35625), (475, 34275), (625, 26049), (1371, 11875), (1425, 11425), (1875, 8683), (2285, 7125), (2375, 6855)]