2100031480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{5641}}^1$

素因数の和:5920

約数の個数: 64

約数和(自身を含む): 4862501280

約数和(自身を除く): 2762469800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 227, 328, 410, 454, 820, 908, 1135, 1640, 1816, 2270, 4540, 5641, 9080, 9307, 11282, 18614, 22564, 28205, 37228, 45128, 46535, 56410, 74456, 93070, 112820, 186140, 225640, 231281, 372280, 462562, 925124, 1156405, 1280507, 1850248, 2312810, 2561014, 4625620, 5122028, 6402535, 9251240, 10244056, 12805070, 25610140, 51220280, 52500787, 105001574, 210003148, 262503935, 420006296, 525007870, 1050015740, 2100031480]

約数ペア:

[(1, 2100031480), (2, 1050015740), (4, 525007870), (5, 420006296), (8, 262503935), (10, 210003148), (20, 105001574), (40, 52500787), (41, 51220280), (82, 25610140), (164, 12805070), (205, 10244056), (227, 9251240), (328, 6402535), (410, 5122028), (454, 4625620), (820, 2561014), (908, 2312810), (1135, 1850248), (1640, 1280507), (1816, 1156405), (2270, 925124), (4540, 462562), (5641, 372280), (9080, 231281), (9307, 225640), (11282, 186140), (18614, 112820), (22564, 93070), (28205, 74456), (37228, 56410), (45128, 46535)]