1662518320

素因数分解:

$2^4\times 5^1\times {\mathrm{1979}}^1\times {\mathrm{10501}}^1$

素因数の和:12493

約数の個数: 40

約数和(自身を含む): 3867676560

約数和(自身を除く): 2205158240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1979, 3958, 7916, 9895, 10501, 15832, 19790, 21002, 31664, 39580, 42004, 52505, 79160, 84008, 105010, 158320, 168016, 210020, 420040, 840080, 20781479, 41562958, 83125916, 103907395, 166251832, 207814790, 332503664, 415629580, 831259160, 1662518320]

約数ペア:

[(1, 1662518320), (2, 831259160), (4, 415629580), (5, 332503664), (8, 207814790), (10, 166251832), (16, 103907395), (20, 83125916), (40, 41562958), (80, 20781479), (1979, 840080), (3958, 420040), (7916, 210020), (9895, 168016), (10501, 158320), (15832, 105010), (19790, 84008), (21002, 79160), (31664, 52505), (39580, 42004)]