78077240

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{20123}}^1$

素因数の和:20231

約数の個数: 32

約数和(自身を含む): 177493680

約数和(自身を除く): 99416440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 20123, 40246, 80492, 100615, 160984, 201230, 402460, 804920, 1951931, 3903862, 7807724, 9759655, 15615448, 19519310, 39038620, 78077240]

約数ペア:

[(1, 78077240), (2, 39038620), (4, 19519310), (5, 15615448), (8, 9759655), (10, 7807724), (20, 3903862), (40, 1951931), (97, 804920), (194, 402460), (388, 201230), (485, 160984), (776, 100615), (970, 80492), (1940, 40246), (3880, 20123)]