200639560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{455999}}^1$

素因数の和:456021

約数の個数: 32

約数和(自身を含む): 492480000

約数和(自身を除く): 291840440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 455999, 911998, 1823996, 2279995, 3647992, 4559990, 5015989, 9119980, 10031978, 18239960, 20063956, 25079945, 40127912, 50159890, 100319780, 200639560]

約数ペア:

[(1, 200639560), (2, 100319780), (4, 50159890), (5, 40127912), (8, 25079945), (10, 20063956), (11, 18239960), (20, 10031978), (22, 9119980), (40, 5015989), (44, 4559990), (55, 3647992), (88, 2279995), (110, 1823996), (220, 911998), (440, 455999)]