123404440

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{4517}}^1$

素因数の和:5211

約数の個数: 32

約数和(自身を含む): 278128080

約数和(自身を除く): 154723640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 1366, 2732, 3415, 4517, 5464, 6830, 9034, 13660, 18068, 22585, 27320, 36136, 45170, 90340, 180680, 3085111, 6170222, 12340444, 15425555, 24680888, 30851110, 61702220, 123404440]

約数ペア:

[(1, 123404440), (2, 61702220), (4, 30851110), (5, 24680888), (8, 15425555), (10, 12340444), (20, 6170222), (40, 3085111), (683, 180680), (1366, 90340), (2732, 45170), (3415, 36136), (4517, 27320), (5464, 22585), (6830, 18068), (9034, 13660)]