25220125

素因数分解:

$5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:119

約数の個数: 64

約数和(自身を含む): 39836160

約数和(自身を除く): 14616035

約数列:

[1, 5, 7, 19, 25, 35, 37, 41, 95, 125, 133, 175, 185, 205, 259, 287, 475, 665, 703, 779, 875, 925, 1025, 1295, 1435, 1517, 2375, 3325, 3515, 3895, 4625, 4921, 5125, 5453, 6475, 7175, 7585, 10619, 16625, 17575, 19475, 24605, 27265, 28823, 32375, 35875, 37925, 53095, 87875, 97375, 123025, 136325, 144115, 189625, 201761, 265475, 615125, 681625, 720575, 1008805, 1327375, 3602875, 5044025, 25220125]

約数ペア:

[(1, 25220125), (5, 5044025), (7, 3602875), (19, 1327375), (25, 1008805), (35, 720575), (37, 681625), (41, 615125), (95, 265475), (125, 201761), (133, 189625), (175, 144115), (185, 136325), (205, 123025), (259, 97375), (287, 87875), (475, 53095), (665, 37925), (703, 35875), (779, 32375), (875, 28823), (925, 27265), (1025, 24605), (1295, 19475), (1435, 17575), (1517, 16625), (2375, 10619), (3325, 7585), (3515, 7175), (3895, 6475), (4625, 5453), (4921, 5125)]