25280500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 65415168

約数和(自身を除く): 40134668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 125, 140, 155, 175, 217, 233, 250, 310, 350, 434, 466, 500, 620, 700, 775, 868, 875, 932, 1085, 1165, 1550, 1631, 1750, 2170, 2330, 3100, 3262, 3500, 3875, 4340, 4660, 5425, 5825, 6524, 7223, 7750, 8155, 10850, 11650, 14446, 15500, 16310, 21700, 23300, 27125, 28892, 29125, 32620, 36115, 40775, 50561, 54250, 58250, 72230, 81550, 101122, 108500, 116500, 144460, 163100, 180575, 202244, 203875, 252805, 361150, 407750, 505610, 722300, 815500, 902875, 1011220, 1264025, 1805750, 2528050, 3611500, 5056100, 6320125, 12640250, 25280500]

約数ペア:

[(1, 25280500), (2, 12640250), (4, 6320125), (5, 5056100), (7, 3611500), (10, 2528050), (14, 1805750), (20, 1264025), (25, 1011220), (28, 902875), (31, 815500), (35, 722300), (50, 505610), (62, 407750), (70, 361150), (100, 252805), (124, 203875), (125, 202244), (140, 180575), (155, 163100), (175, 144460), (217, 116500), (233, 108500), (250, 101122), (310, 81550), (350, 72230), (434, 58250), (466, 54250), (500, 50561), (620, 40775), (700, 36115), (775, 32620), (868, 29125), (875, 28892), (932, 27125), (1085, 23300), (1165, 21700), (1550, 16310), (1631, 15500), (1750, 14446), (2170, 11650), (2330, 10850), (3100, 8155), (3262, 7750), (3500, 7223), (3875, 6524), (4340, 5825), (4660, 5425)]