63963280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19501}}^1$

素因数の和:19555

約数の個数: 40

約数和(自身を含む): 152349624

約数和(自身を除く): 88386344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 19501, 39002, 78004, 97505, 156008, 195010, 312016, 390020, 780040, 799541, 1560080, 1599082, 3198164, 3997705, 6396328, 7995410, 12792656, 15990820, 31981640, 63963280]

約数ペア:

[(1, 63963280), (2, 31981640), (4, 15990820), (5, 12792656), (8, 7995410), (10, 6396328), (16, 3997705), (20, 3198164), (40, 1599082), (41, 1560080), (80, 799541), (82, 780040), (164, 390020), (205, 312016), (328, 195010), (410, 156008), (656, 97505), (820, 78004), (1640, 39002), (3280, 19501)]