2218765720

素因数分解:

$2^3\times 5^1\times {\mathrm{55469143}}^1$

素因数の和:55469154

約数の個数: 16

約数和(自身を含む): 4992222960

約数和(自身を除く): 2773457240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 55469143, 110938286, 221876572, 277345715, 443753144, 554691430, 1109382860, 2218765720]

約数ペア:

[(1, 2218765720), (2, 1109382860), (4, 554691430), (5, 443753144), (8, 277345715), (10, 221876572), (20, 110938286), (40, 55469143)]