9909880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8543}}^1$

素因数の和:8583

約数の個数: 32

約数和(自身を含む): 23068800

約数和(自身を除く): 13158920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 8543, 17086, 34172, 42715, 68344, 85430, 170860, 247747, 341720, 495494, 990988, 1238735, 1981976, 2477470, 4954940, 9909880]

約数ペア:

[(1, 9909880), (2, 4954940), (4, 2477470), (5, 1981976), (8, 1238735), (10, 990988), (20, 495494), (29, 341720), (40, 247747), (58, 170860), (116, 85430), (145, 68344), (232, 42715), (290, 34172), (580, 17086), (1160, 8543)]