25535980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1291}}^1$

素因数の和:1366

約数の個数: 48

約数和(自身を含む): 57302784

約数和(自身を除く): 31766804

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1291, 1978, 2582, 3956, 4945, 5164, 6455, 9890, 12910, 19780, 25820, 29693, 55513, 59386, 111026, 118772, 148465, 222052, 277565, 296930, 555130, 593860, 1110260, 1276799, 2553598, 5107196, 6383995, 12767990, 25535980]

約数ペア:

[(1, 25535980), (2, 12767990), (4, 6383995), (5, 5107196), (10, 2553598), (20, 1276799), (23, 1110260), (43, 593860), (46, 555130), (86, 296930), (92, 277565), (115, 222052), (172, 148465), (215, 118772), (230, 111026), (430, 59386), (460, 55513), (860, 29693), (989, 25820), (1291, 19780), (1978, 12910), (2582, 9890), (3956, 6455), (4945, 5164)]