692080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:265

約数の個数: 40

約数和(自身を含む): 1656144

約数和(自身を除く): 964064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 211, 328, 410, 422, 656, 820, 844, 1055, 1640, 1688, 2110, 3280, 3376, 4220, 8440, 8651, 16880, 17302, 34604, 43255, 69208, 86510, 138416, 173020, 346040, 692080]

約数ペア:

[(1, 692080), (2, 346040), (4, 173020), (5, 138416), (8, 86510), (10, 69208), (16, 43255), (20, 34604), (40, 17302), (41, 16880), (80, 8651), (82, 8440), (164, 4220), (205, 3376), (211, 3280), (328, 2110), (410, 1688), (422, 1640), (656, 1055), (820, 844)]