25395560

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4261}}^1$

素因数の和:4421

約数の個数: 32

約数和(自身を含む): 57537000

約数和(自身を除く): 32141440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 4261, 5960, 8522, 17044, 21305, 34088, 42610, 85220, 170440, 634889, 1269778, 2539556, 3174445, 5079112, 6348890, 12697780, 25395560]

約数ペア:

[(1, 25395560), (2, 12697780), (4, 6348890), (5, 5079112), (8, 3174445), (10, 2539556), (20, 1269778), (40, 634889), (149, 170440), (298, 85220), (596, 42610), (745, 34088), (1192, 21305), (1490, 17044), (2980, 8522), (4261, 5960)]