105679120

素因数分解:

$2^4\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1609}}^1$

素因数の和:2443

約数の個数: 40

約数和(自身を含む): 246156120

約数和(自身を除く): 140477000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 821, 1609, 1642, 3218, 3284, 4105, 6436, 6568, 8045, 8210, 12872, 13136, 16090, 16420, 25744, 32180, 32840, 64360, 65680, 128720, 1320989, 2641978, 5283956, 6604945, 10567912, 13209890, 21135824, 26419780, 52839560, 105679120]

約数ペア:

[(1, 105679120), (2, 52839560), (4, 26419780), (5, 21135824), (8, 13209890), (10, 10567912), (16, 6604945), (20, 5283956), (40, 2641978), (80, 1320989), (821, 128720), (1609, 65680), (1642, 64360), (3218, 32840), (3284, 32180), (4105, 25744), (6436, 16420), (6568, 16090), (8045, 13136), (8210, 12872)]