2009207800

素因数分解:

$2^3\times 5^2\times {\mathrm{113}}^1\times {\mathrm{88903}}^1$

素因数の和:89032

約数の個数: 48

約数和(自身を含む): 4712801040

約数和(自身を除く): 2703593240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 113, 200, 226, 452, 565, 904, 1130, 2260, 2825, 4520, 5650, 11300, 22600, 88903, 177806, 355612, 444515, 711224, 889030, 1778060, 2222575, 3556120, 4445150, 8890300, 10046039, 17780600, 20092078, 40184156, 50230195, 80368312, 100460390, 200920780, 251150975, 401841560, 502301950, 1004603900, 2009207800]

約数ペア:

[(1, 2009207800), (2, 1004603900), (4, 502301950), (5, 401841560), (8, 251150975), (10, 200920780), (20, 100460390), (25, 80368312), (40, 50230195), (50, 40184156), (100, 20092078), (113, 17780600), (200, 10046039), (226, 8890300), (452, 4445150), (565, 3556120), (904, 2222575), (1130, 1778060), (2260, 889030), (2825, 711224), (4520, 444515), (5650, 355612), (11300, 177806), (22600, 88903)]