4000740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 11309760

約数和(自身を除く): 7309020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 509, 524, 655, 786, 1018, 1310, 1527, 1572, 1965, 2036, 2545, 2620, 3054, 3930, 5090, 6108, 7635, 7860, 10180, 15270, 30540, 66679, 133358, 200037, 266716, 333395, 400074, 666790, 800148, 1000185, 1333580, 2000370, 4000740]

約数ペア:

[(1, 4000740), (2, 2000370), (3, 1333580), (4, 1000185), (5, 800148), (6, 666790), (10, 400074), (12, 333395), (15, 266716), (20, 200037), (30, 133358), (60, 66679), (131, 30540), (262, 15270), (393, 10180), (509, 7860), (524, 7635), (655, 6108), (786, 5090), (1018, 3930), (1310, 3054), (1527, 2620), (1572, 2545), (1965, 2036)]