89665000

素因数分解:

$2^3\times 5^4\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 213681600

約数和(自身を除く): 124016600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 125, 158, 200, 227, 250, 316, 395, 454, 500, 625, 632, 790, 908, 1000, 1135, 1250, 1580, 1816, 1975, 2270, 2500, 3160, 3950, 4540, 5000, 5675, 7900, 9080, 9875, 11350, 15800, 17933, 19750, 22700, 28375, 35866, 39500, 45400, 49375, 56750, 71732, 79000, 89665, 98750, 113500, 141875, 143464, 179330, 197500, 227000, 283750, 358660, 395000, 448325, 567500, 717320, 896650, 1135000, 1793300, 2241625, 3586600, 4483250, 8966500, 11208125, 17933000, 22416250, 44832500, 89665000]

約数ペア:

[(1, 89665000), (2, 44832500), (4, 22416250), (5, 17933000), (8, 11208125), (10, 8966500), (20, 4483250), (25, 3586600), (40, 2241625), (50, 1793300), (79, 1135000), (100, 896650), (125, 717320), (158, 567500), (200, 448325), (227, 395000), (250, 358660), (316, 283750), (395, 227000), (454, 197500), (500, 179330), (625, 143464), (632, 141875), (790, 113500), (908, 98750), (1000, 89665), (1135, 79000), (1250, 71732), (1580, 56750), (1816, 49375), (1975, 45400), (2270, 39500), (2500, 35866), (3160, 28375), (3950, 22700), (4540, 19750), (5000, 17933), (5675, 15800), (7900, 11350), (9080, 9875)]