25693960

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 60134400

約数和(自身を除く): 34440440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 79, 94, 158, 173, 188, 235, 316, 346, 376, 395, 470, 632, 692, 790, 865, 940, 1384, 1580, 1730, 1880, 3160, 3460, 3713, 6920, 7426, 8131, 13667, 14852, 16262, 18565, 27334, 29704, 32524, 37130, 40655, 54668, 65048, 68335, 74260, 81310, 109336, 136670, 148520, 162620, 273340, 325240, 546680, 642349, 1284698, 2569396, 3211745, 5138792, 6423490, 12846980, 25693960]

約数ペア:

[(1, 25693960), (2, 12846980), (4, 6423490), (5, 5138792), (8, 3211745), (10, 2569396), (20, 1284698), (40, 642349), (47, 546680), (79, 325240), (94, 273340), (158, 162620), (173, 148520), (188, 136670), (235, 109336), (316, 81310), (346, 74260), (376, 68335), (395, 65048), (470, 54668), (632, 40655), (692, 37130), (790, 32524), (865, 29704), (940, 27334), (1384, 18565), (1580, 16262), (1730, 14852), (1880, 13667), (3160, 8131), (3460, 7426), (3713, 6920)]