40421768

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{419}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 78624000

約数和(自身を除く): 38202232

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 389, 419, 778, 838, 1556, 1676, 3112, 3352, 12059, 12989, 24118, 25978, 48236, 51956, 96472, 103912, 162991, 325982, 651964, 1303928, 5052721, 10105442, 20210884, 40421768]

約数ペア:

[(1, 40421768), (2, 20210884), (4, 10105442), (8, 5052721), (31, 1303928), (62, 651964), (124, 325982), (248, 162991), (389, 103912), (419, 96472), (778, 51956), (838, 48236), (1556, 25978), (1676, 24118), (3112, 12989), (3352, 12059)]