18079760

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7793}}^1$

素因数の和:7835

約数の個数: 40

約数和(自身を含む): 43490520

約数和(自身を除く): 25410760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 7793, 15586, 31172, 38965, 62344, 77930, 124688, 155860, 225997, 311720, 451994, 623440, 903988, 1129985, 1807976, 2259970, 3615952, 4519940, 9039880, 18079760]

約数ペア:

[(1, 18079760), (2, 9039880), (4, 4519940), (5, 3615952), (8, 2259970), (10, 1807976), (16, 1129985), (20, 903988), (29, 623440), (40, 451994), (58, 311720), (80, 225997), (116, 155860), (145, 124688), (232, 77930), (290, 62344), (464, 38965), (580, 31172), (1160, 15586), (2320, 7793)]