1994240

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:83

約数の個数: 80

約数和(自身を含む): 5155920

約数和(自身を除く): 3161680

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, 512, 608, 640, 656, 760, 779, 820, 1216, 1280, 1312, 1520, 1558, 1640, 2432, 2560, 2624, 3040, 3116, 3280, 3895, 4864, 5248, 6080, 6232, 6560, 7790, 9728, 10496, 12160, 12464, 13120, 15580, 20992, 24320, 24928, 26240, 31160, 48640, 49856, 52480, 62320, 99712, 104960, 124640, 199424, 249280, 398848, 498560, 997120, 1994240]

約数ペア:

[(1, 1994240), (2, 997120), (4, 498560), (5, 398848), (8, 249280), (10, 199424), (16, 124640), (19, 104960), (20, 99712), (32, 62320), (38, 52480), (40, 49856), (41, 48640), (64, 31160), (76, 26240), (80, 24928), (82, 24320), (95, 20992), (128, 15580), (152, 13120), (160, 12464), (164, 12160), (190, 10496), (205, 9728), (256, 7790), (304, 6560), (320, 6232), (328, 6080), (380, 5248), (410, 4864), (512, 3895), (608, 3280), (640, 3116), (656, 3040), (760, 2624), (779, 2560), (820, 2432), (1216, 1640), (1280, 1558), (1312, 1520)]