320148008

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{16001}}^1$

素因数の和:16109

約数の個数: 32

約数和(自身を含む): 625038120

約数和(自身を除く): 304890112

約数列:

[1, 2, 4, 8, 41, 61, 82, 122, 164, 244, 328, 488, 2501, 5002, 10004, 16001, 20008, 32002, 64004, 128008, 656041, 976061, 1312082, 1952122, 2624164, 3904244, 5248328, 7808488, 40018501, 80037002, 160074004, 320148008]

約数ペア:

[(1, 320148008), (2, 160074004), (4, 80037002), (8, 40018501), (41, 7808488), (61, 5248328), (82, 3904244), (122, 2624164), (164, 1952122), (244, 1312082), (328, 976061), (488, 656041), (2501, 128008), (5002, 64004), (10004, 32002), (16001, 20008)]