69291280

素因数分解:

$2^4\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1601}}^1$

素因数の和:2155

約数の個数: 40

約数和(自身を含む): 161500824

約数和(自身を除く): 92209544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 541, 1082, 1601, 2164, 2705, 3202, 4328, 5410, 6404, 8005, 8656, 10820, 12808, 16010, 21640, 25616, 32020, 43280, 64040, 128080, 866141, 1732282, 3464564, 4330705, 6929128, 8661410, 13858256, 17322820, 34645640, 69291280]

約数ペア:

[(1, 69291280), (2, 34645640), (4, 17322820), (5, 13858256), (8, 8661410), (10, 6929128), (16, 4330705), (20, 3464564), (40, 1732282), (80, 866141), (541, 128080), (1082, 64040), (1601, 43280), (2164, 32020), (2705, 25616), (3202, 21640), (4328, 16010), (5410, 12808), (6404, 10820), (8005, 8656)]