9967120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4019}}^1$

素因数の和:4063

約数の個数: 40

約数和(自身を含む): 23927040

約数和(自身を除く): 13959920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 4019, 8038, 16076, 20095, 32152, 40190, 64304, 80380, 124589, 160760, 249178, 321520, 498356, 622945, 996712, 1245890, 1993424, 2491780, 4983560, 9967120]

約数ペア:

[(1, 9967120), (2, 4983560), (4, 2491780), (5, 1993424), (8, 1245890), (10, 996712), (16, 622945), (20, 498356), (31, 321520), (40, 249178), (62, 160760), (80, 124589), (124, 80380), (155, 64304), (248, 40190), (310, 32152), (496, 20095), (620, 16076), (1240, 8038), (2480, 4019)]