82602680

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23203}}^1$

素因数の和:23303

約数の個数: 32

約数和(自身を含む): 187952400

約数和(自身を除く): 105349720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 23203, 46406, 92812, 116015, 185624, 232030, 464060, 928120, 2065067, 4130134, 8260268, 10325335, 16520536, 20650670, 41301340, 82602680]

約数ペア:

[(1, 82602680), (2, 41301340), (4, 20650670), (5, 16520536), (8, 10325335), (10, 8260268), (20, 4130134), (40, 2065067), (89, 928120), (178, 464060), (356, 232030), (445, 185624), (712, 116015), (890, 92812), (1780, 46406), (3560, 23203)]