9900440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22501}}^1$

素因数の和:22523

約数の個数: 32

約数和(自身を含む): 24302160

約数和(自身を除く): 14401720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 22501, 45002, 90004, 112505, 180008, 225010, 247511, 450020, 495022, 900040, 990044, 1237555, 1980088, 2475110, 4950220, 9900440]

約数ペア:

[(1, 9900440), (2, 4950220), (4, 2475110), (5, 1980088), (8, 1237555), (10, 990044), (11, 900040), (20, 495022), (22, 450020), (40, 247511), (44, 225010), (55, 180008), (88, 112505), (110, 90004), (220, 45002), (440, 22501)]