138176560

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:566

約数の個数: 80

約数和(自身を含む): 333103680

約数和(自身を除く): 194927120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 103, 164, 205, 206, 328, 409, 410, 412, 515, 656, 818, 820, 824, 1030, 1636, 1640, 1648, 2045, 2060, 3272, 3280, 4090, 4120, 4223, 6544, 8180, 8240, 8446, 16360, 16769, 16892, 21115, 32720, 33538, 33784, 42127, 42230, 67076, 67568, 83845, 84254, 84460, 134152, 167690, 168508, 168920, 210635, 268304, 335380, 337016, 337840, 421270, 670760, 674032, 842540, 1341520, 1685080, 1727207, 3370160, 3454414, 6908828, 8636035, 13817656, 17272070, 27635312, 34544140, 69088280, 138176560]

約数ペア:

[(1, 138176560), (2, 69088280), (4, 34544140), (5, 27635312), (8, 17272070), (10, 13817656), (16, 8636035), (20, 6908828), (40, 3454414), (41, 3370160), (80, 1727207), (82, 1685080), (103, 1341520), (164, 842540), (205, 674032), (206, 670760), (328, 421270), (409, 337840), (410, 337016), (412, 335380), (515, 268304), (656, 210635), (818, 168920), (820, 168508), (824, 167690), (1030, 134152), (1636, 84460), (1640, 84254), (1648, 83845), (2045, 67568), (2060, 67076), (3272, 42230), (3280, 42127), (4090, 33784), (4120, 33538), (4223, 32720), (6544, 21115), (8180, 16892), (8240, 16769), (8446, 16360)]