898720

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:193

約数の個数: 48

約数和(自身を含む): 2190888

約数和(自身を除く): 1292168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 137, 160, 164, 205, 274, 328, 410, 548, 656, 685, 820, 1096, 1312, 1370, 1640, 2192, 2740, 3280, 4384, 5480, 5617, 6560, 10960, 11234, 21920, 22468, 28085, 44936, 56170, 89872, 112340, 179744, 224680, 449360, 898720]

約数ペア:

[(1, 898720), (2, 449360), (4, 224680), (5, 179744), (8, 112340), (10, 89872), (16, 56170), (20, 44936), (32, 28085), (40, 22468), (41, 21920), (80, 11234), (82, 10960), (137, 6560), (160, 5617), (164, 5480), (205, 4384), (274, 3280), (328, 2740), (410, 2192), (548, 1640), (656, 1370), (685, 1312), (820, 1096)]