86667440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{26423}}^1$

素因数の和:26477

約数の個数: 40

約数和(自身を含む): 206424288

約数和(自身を除く): 119756848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 26423, 52846, 105692, 132115, 211384, 264230, 422768, 528460, 1056920, 1083343, 2113840, 2166686, 4333372, 5416715, 8666744, 10833430, 17333488, 21666860, 43333720, 86667440]

約数ペア:

[(1, 86667440), (2, 43333720), (4, 21666860), (5, 17333488), (8, 10833430), (10, 8666744), (16, 5416715), (20, 4333372), (40, 2166686), (41, 2113840), (80, 1083343), (82, 1056920), (164, 528460), (205, 422768), (328, 264230), (410, 211384), (656, 132115), (820, 105692), (1640, 52846), (3280, 26423)]