28654750

素因数分解:

$2^1\times 5^3\times {\mathrm{61}}^1\times {\mathrm{1879}}^1$

素因数の和:1957

約数の個数: 32

約数和(自身を含む): 54550080

約数和(自身を除く): 25895330

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 125, 250, 305, 610, 1525, 1879, 3050, 3758, 7625, 9395, 15250, 18790, 46975, 93950, 114619, 229238, 234875, 469750, 573095, 1146190, 2865475, 5730950, 14327375, 28654750]

約数ペア:

[(1, 28654750), (2, 14327375), (5, 5730950), (10, 2865475), (25, 1146190), (50, 573095), (61, 469750), (122, 234875), (125, 229238), (250, 114619), (305, 93950), (610, 46975), (1525, 18790), (1879, 15250), (3050, 9395), (3758, 7625)]