154622920

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{38273}}^1$

素因数の和:38385

約数の個数: 32

約数和(自身を含む): 351355320

約数和(自身を除く): 196732400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 38273, 76546, 153092, 191365, 306184, 382730, 765460, 1530920, 3865573, 7731146, 15462292, 19327865, 30924584, 38655730, 77311460, 154622920]

約数ペア:

[(1, 154622920), (2, 77311460), (4, 38655730), (5, 30924584), (8, 19327865), (10, 15462292), (20, 7731146), (40, 3865573), (101, 1530920), (202, 765460), (404, 382730), (505, 306184), (808, 191365), (1010, 153092), (2020, 76546), (4040, 38273)]