1242181520

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{89753}}^1$

素因数の和:89939

約数の個数: 40

約数和(自身を含む): 2904798456

約数和(自身を除く): 1662616936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 6920, 13840, 89753, 179506, 359012, 448765, 718024, 897530, 1436048, 1795060, 3590120, 7180240, 15527269, 31054538, 62109076, 77636345, 124218152, 155272690, 248436304, 310545380, 621090760, 1242181520]

約数ペア:

[(1, 1242181520), (2, 621090760), (4, 310545380), (5, 248436304), (8, 155272690), (10, 124218152), (16, 77636345), (20, 62109076), (40, 31054538), (80, 15527269), (173, 7180240), (346, 3590120), (692, 1795060), (865, 1436048), (1384, 897530), (1730, 718024), (2768, 448765), (3460, 359012), (6920, 179506), (13840, 89753)]