155021080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{125017}}^1$

素因数の和:125059

約数の個数: 32

約数和(自身を含む): 360051840

約数和(自身を除く): 205030760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 125017, 250034, 500068, 625085, 1000136, 1250170, 2500340, 3875527, 5000680, 7751054, 15502108, 19377635, 31004216, 38755270, 77510540, 155021080]

約数ペア:

[(1, 155021080), (2, 77510540), (4, 38755270), (5, 31004216), (8, 19377635), (10, 15502108), (20, 7751054), (31, 5000680), (40, 3875527), (62, 2500340), (124, 1250170), (155, 1000136), (248, 625085), (310, 500068), (620, 250034), (1240, 125017)]