2480554280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2000447}}^1$

素因数の和:2000489

約数の個数: 32

約数和(自身を含む): 5761290240

約数和(自身を除く): 3280735960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2000447, 4000894, 8001788, 10002235, 16003576, 20004470, 40008940, 62013857, 80017880, 124027714, 248055428, 310069285, 496110856, 620138570, 1240277140, 2480554280]

約数ペア:

[(1, 2480554280), (2, 1240277140), (4, 620138570), (5, 496110856), (8, 310069285), (10, 248055428), (20, 124027714), (31, 80017880), (40, 62013857), (62, 40008940), (124, 20004470), (155, 16003576), (248, 10002235), (310, 8001788), (620, 4000894), (1240, 2000447)]