66726860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1973}}^1$

素因数の和:2090

約数の個数: 48

約数和(自身を含む): 149234400

約数和(自身を除く): 82507540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 1973, 3382, 3946, 6764, 7892, 8455, 9865, 16910, 19730, 33820, 37487, 39460, 74974, 149948, 175597, 187435, 351194, 374870, 702388, 749740, 877985, 1755970, 3336343, 3511940, 6672686, 13345372, 16681715, 33363430, 66726860]

約数ペア:

[(1, 66726860), (2, 33363430), (4, 16681715), (5, 13345372), (10, 6672686), (19, 3511940), (20, 3336343), (38, 1755970), (76, 877985), (89, 749740), (95, 702388), (178, 374870), (190, 351194), (356, 187435), (380, 175597), (445, 149948), (890, 74974), (1691, 39460), (1780, 37487), (1973, 33820), (3382, 19730), (3946, 16910), (6764, 9865), (7892, 8455)]