42256520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1997}}^1$

素因数の和:2054

約数の個数: 48

約数和(自身を含む): 99440460

約数和(自身を除く): 57183940

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 529, 920, 1058, 1997, 2116, 2645, 3994, 4232, 5290, 7988, 9985, 10580, 15976, 19970, 21160, 39940, 45931, 79880, 91862, 183724, 229655, 367448, 459310, 918620, 1056413, 1837240, 2112826, 4225652, 5282065, 8451304, 10564130, 21128260, 42256520]

約数ペア:

[(1, 42256520), (2, 21128260), (4, 10564130), (5, 8451304), (8, 5282065), (10, 4225652), (20, 2112826), (23, 1837240), (40, 1056413), (46, 918620), (92, 459310), (115, 367448), (184, 229655), (230, 183724), (460, 91862), (529, 79880), (920, 45931), (1058, 39940), (1997, 21160), (2116, 19970), (2645, 15976), (3994, 10580), (4232, 9985), (5290, 7988)]