81910010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{90011}}^1$

素因数の和:90038

約数の個数: 32

約数和(自身を含む): 181464192

約数和(自身を除く): 99554182

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 90011, 180022, 450055, 630077, 900110, 1170143, 1260154, 2340286, 3150385, 5850715, 6300770, 8191001, 11701430, 16382002, 40955005, 81910010]

約数ペア:

[(1, 81910010), (2, 40955005), (5, 16382002), (7, 11701430), (10, 8191001), (13, 6300770), (14, 5850715), (26, 3150385), (35, 2340286), (65, 1260154), (70, 1170143), (91, 900110), (130, 630077), (182, 450055), (455, 180022), (910, 90011)]