28885240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31397}}^1$

素因数の和:31431

約数の個数: 32

約数和(自身を含む): 67819680

約数和(自身を除く): 38934440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 31397, 62794, 125588, 156985, 251176, 313970, 627940, 722131, 1255880, 1444262, 2888524, 3610655, 5777048, 7221310, 14442620, 28885240]

約数ペア:

[(1, 28885240), (2, 14442620), (4, 7221310), (5, 5777048), (8, 3610655), (10, 2888524), (20, 1444262), (23, 1255880), (40, 722131), (46, 627940), (92, 313970), (115, 251176), (184, 156985), (230, 125588), (460, 62794), (920, 31397)]