8818280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 21470400

約数和(自身を除く): 12652120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 283, 328, 380, 410, 566, 760, 779, 820, 1132, 1415, 1558, 1640, 2264, 2830, 3116, 3895, 5377, 5660, 6232, 7790, 10754, 11320, 11603, 15580, 21508, 23206, 26885, 31160, 43016, 46412, 53770, 58015, 92824, 107540, 116030, 215080, 220457, 232060, 440914, 464120, 881828, 1102285, 1763656, 2204570, 4409140, 8818280]

約数ペア:

[(1, 8818280), (2, 4409140), (4, 2204570), (5, 1763656), (8, 1102285), (10, 881828), (19, 464120), (20, 440914), (38, 232060), (40, 220457), (41, 215080), (76, 116030), (82, 107540), (95, 92824), (152, 58015), (164, 53770), (190, 46412), (205, 43016), (283, 31160), (328, 26885), (380, 23206), (410, 21508), (566, 15580), (760, 11603), (779, 11320), (820, 10754), (1132, 7790), (1415, 6232), (1558, 5660), (1640, 5377), (2264, 3895), (2830, 3116)]