20181633500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{45403}}^1$

素因数の和:45556

約数の個数: 96

約数和(自身を含む): 50771116032

約数和(自身を除く): 30589482532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 127, 140, 175, 250, 254, 350, 500, 508, 635, 700, 875, 889, 1270, 1750, 1778, 2540, 3175, 3500, 3556, 4445, 6350, 8890, 12700, 15875, 17780, 22225, 31750, 44450, 45403, 63500, 88900, 90806, 111125, 181612, 222250, 227015, 317821, 444500, 454030, 635642, 908060, 1135075, 1271284, 1589105, 2270150, 3178210, 4540300, 5675375, 5766181, 6356420, 7945525, 11350750, 11532362, 15891050, 22701500, 23064724, 28830905, 31782100, 39727625, 40363267, 57661810, 79455250, 80726534, 115323620, 144154525, 158910500, 161453068, 201816335, 288309050, 403632670, 576618100, 720772625, 807265340, 1009081675, 1441545250, 2018163350, 2883090500, 4036326700, 5045408375, 10090816750, 20181633500]

約数ペア:

[(1, 20181633500), (2, 10090816750), (4, 5045408375), (5, 4036326700), (7, 2883090500), (10, 2018163350), (14, 1441545250), (20, 1009081675), (25, 807265340), (28, 720772625), (35, 576618100), (50, 403632670), (70, 288309050), (100, 201816335), (125, 161453068), (127, 158910500), (140, 144154525), (175, 115323620), (250, 80726534), (254, 79455250), (350, 57661810), (500, 40363267), (508, 39727625), (635, 31782100), (700, 28830905), (875, 23064724), (889, 22701500), (1270, 15891050), (1750, 11532362), (1778, 11350750), (2540, 7945525), (3175, 6356420), (3500, 5766181), (3556, 5675375), (4445, 4540300), (6350, 3178210), (8890, 2270150), (12700, 1589105), (15875, 1271284), (17780, 1135075), (22225, 908060), (31750, 635642), (44450, 454030), (45403, 444500), (63500, 317821), (88900, 227015), (90806, 222250), (111125, 181612)]