12640250

素因数分解:

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

素因数の和:288

約数の個数: 64

約数和(自身を含む): 28035072

約数和(自身を除く): 15394822

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 125, 155, 175, 217, 233, 250, 310, 350, 434, 466, 775, 875, 1085, 1165, 1550, 1631, 1750, 2170, 2330, 3262, 3875, 5425, 5825, 7223, 7750, 8155, 10850, 11650, 14446, 16310, 27125, 29125, 36115, 40775, 50561, 54250, 58250, 72230, 81550, 101122, 180575, 203875, 252805, 361150, 407750, 505610, 902875, 1264025, 1805750, 2528050, 6320125, 12640250]

約数ペア:

[(1, 12640250), (2, 6320125), (5, 2528050), (7, 1805750), (10, 1264025), (14, 902875), (25, 505610), (31, 407750), (35, 361150), (50, 252805), (62, 203875), (70, 180575), (125, 101122), (155, 81550), (175, 72230), (217, 58250), (233, 54250), (250, 50561), (310, 40775), (350, 36115), (434, 29125), (466, 27125), (775, 16310), (875, 14446), (1085, 11650), (1165, 10850), (1550, 8155), (1631, 7750), (1750, 7223), (2170, 5825), (2330, 5425), (3262, 3875)]