29864840

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{8389}}^1$

素因数の和:8489

約数の個数: 32

約数和(自身を含む): 67959000

約数和(自身を除く): 38094160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 8389, 16778, 33556, 41945, 67112, 83890, 167780, 335560, 746621, 1493242, 2986484, 3733105, 5972968, 7466210, 14932420, 29864840]

約数ペア:

[(1, 29864840), (2, 14932420), (4, 7466210), (5, 5972968), (8, 3733105), (10, 2986484), (20, 1493242), (40, 746621), (89, 335560), (178, 167780), (356, 83890), (445, 67112), (712, 41945), (890, 33556), (1780, 16778), (3560, 8389)]