16454120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 22253080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 79, 82, 127, 158, 164, 205, 254, 316, 328, 395, 410, 508, 632, 635, 790, 820, 1016, 1270, 1580, 1640, 2540, 3160, 3239, 5080, 5207, 6478, 10033, 10414, 12956, 16195, 20066, 20828, 25912, 26035, 32390, 40132, 41656, 50165, 52070, 64780, 80264, 100330, 104140, 129560, 200660, 208280, 401320, 411353, 822706, 1645412, 2056765, 3290824, 4113530, 8227060, 16454120]

約数ペア:

[(1, 16454120), (2, 8227060), (4, 4113530), (5, 3290824), (8, 2056765), (10, 1645412), (20, 822706), (40, 411353), (41, 401320), (79, 208280), (82, 200660), (127, 129560), (158, 104140), (164, 100330), (205, 80264), (254, 64780), (316, 52070), (328, 50165), (395, 41656), (410, 40132), (508, 32390), (632, 26035), (635, 25912), (790, 20828), (820, 20066), (1016, 16195), (1270, 12956), (1580, 10414), (1640, 10033), (2540, 6478), (3160, 5207), (3239, 5080)]