997120

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:81

約数の個数: 72

約数和(自身を含む): 2575440

約数和(自身を除く): 1578320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 76, 80, 82, 95, 128, 152, 160, 164, 190, 205, 256, 304, 320, 328, 380, 410, 608, 640, 656, 760, 779, 820, 1216, 1280, 1312, 1520, 1558, 1640, 2432, 2624, 3040, 3116, 3280, 3895, 4864, 5248, 6080, 6232, 6560, 7790, 10496, 12160, 12464, 13120, 15580, 24320, 24928, 26240, 31160, 49856, 52480, 62320, 99712, 124640, 199424, 249280, 498560, 997120]

約数ペア:

[(1, 997120), (2, 498560), (4, 249280), (5, 199424), (8, 124640), (10, 99712), (16, 62320), (19, 52480), (20, 49856), (32, 31160), (38, 26240), (40, 24928), (41, 24320), (64, 15580), (76, 13120), (80, 12464), (82, 12160), (95, 10496), (128, 7790), (152, 6560), (160, 6232), (164, 6080), (190, 5248), (205, 4864), (256, 3895), (304, 3280), (320, 3116), (328, 3040), (380, 2624), (410, 2432), (608, 1640), (640, 1558), (656, 1520), (760, 1312), (779, 1280), (820, 1216)]