489486520

素因数分解:

$2^3\times 5^1\times {\mathrm{2683}}^1\times {\mathrm{4561}}^1$

素因数の和:7255

約数の個数: 32

約数和(自身を含む): 1101996720

約数和(自身を除く): 612510200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2683, 4561, 5366, 9122, 10732, 13415, 18244, 21464, 22805, 26830, 36488, 45610, 53660, 91220, 107320, 182440, 12237163, 24474326, 48948652, 61185815, 97897304, 122371630, 244743260, 489486520]

約数ペア:

[(1, 489486520), (2, 244743260), (4, 122371630), (5, 97897304), (8, 61185815), (10, 48948652), (20, 24474326), (40, 12237163), (2683, 182440), (4561, 107320), (5366, 91220), (9122, 53660), (10732, 45610), (13415, 36488), (18244, 26830), (21464, 22805)]