25397860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{659}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 30485660

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 470, 659, 820, 940, 1318, 1927, 2636, 3295, 3854, 6590, 7708, 9635, 13180, 19270, 27019, 30973, 38540, 54038, 61946, 108076, 123892, 135095, 154865, 270190, 309730, 540380, 619460, 1269893, 2539786, 5079572, 6349465, 12698930, 25397860]

約数ペア:

[(1, 25397860), (2, 12698930), (4, 6349465), (5, 5079572), (10, 2539786), (20, 1269893), (41, 619460), (47, 540380), (82, 309730), (94, 270190), (164, 154865), (188, 135095), (205, 123892), (235, 108076), (410, 61946), (470, 54038), (659, 38540), (820, 30973), (940, 27019), (1318, 19270), (1927, 13180), (2636, 9635), (3295, 7708), (3854, 6590)]