265121200

素因数分解:

$2^4\times 5^2\times {\mathrm{257}}^1\times {\mathrm{2579}}^1$

素因数の和:2854

約数の個数: 60

約数和(自身を含む): 639680040

約数和(自身を除く): 374558840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 257, 400, 514, 1028, 1285, 2056, 2570, 2579, 4112, 5140, 5158, 6425, 10280, 10316, 12850, 12895, 20560, 20632, 25700, 25790, 41264, 51400, 51580, 64475, 102800, 103160, 128950, 206320, 257900, 515800, 662803, 1031600, 1325606, 2651212, 3314015, 5302424, 6628030, 10604848, 13256060, 16570075, 26512120, 33140150, 53024240, 66280300, 132560600, 265121200]

約数ペア:

[(1, 265121200), (2, 132560600), (4, 66280300), (5, 53024240), (8, 33140150), (10, 26512120), (16, 16570075), (20, 13256060), (25, 10604848), (40, 6628030), (50, 5302424), (80, 3314015), (100, 2651212), (200, 1325606), (257, 1031600), (400, 662803), (514, 515800), (1028, 257900), (1285, 206320), (2056, 128950), (2570, 103160), (2579, 102800), (4112, 64475), (5140, 51580), (5158, 51400), (6425, 41264), (10280, 25790), (10316, 25700), (12850, 20632), (12895, 20560)]