5215900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1213}}^1$

素因数の和:1270

約数の個数: 36

約数和(自身を含む): 11591272

約数和(自身を除く): 6375372

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 1213, 2150, 2426, 4300, 4852, 6065, 12130, 24260, 30325, 52159, 60650, 104318, 121300, 208636, 260795, 521590, 1043180, 1303975, 2607950, 5215900]

約数ペア:

[(1, 5215900), (2, 2607950), (4, 1303975), (5, 1043180), (10, 521590), (20, 260795), (25, 208636), (43, 121300), (50, 104318), (86, 60650), (100, 52159), (172, 30325), (215, 24260), (430, 12130), (860, 6065), (1075, 4852), (1213, 4300), (2150, 2426)]