129203080

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{36293}}^1$

素因数の和:36393

約数の個数: 32

約数和(自身を含む): 293981400

約数和(自身を除く): 164778320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 36293, 72586, 145172, 181465, 290344, 362930, 725860, 1451720, 3230077, 6460154, 12920308, 16150385, 25840616, 32300770, 64601540, 129203080]

約数ペア:

[(1, 129203080), (2, 64601540), (4, 32300770), (5, 25840616), (8, 16150385), (10, 12920308), (20, 6460154), (40, 3230077), (89, 1451720), (178, 725860), (356, 362930), (445, 290344), (712, 181465), (890, 145172), (1780, 72586), (3560, 36293)]