6668720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2689}}^1$

素因数の和:2733

約数の個数: 40

約数和(自身を含む): 16010880

約数和(自身を除く): 9342160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 2689, 5378, 10756, 13445, 21512, 26890, 43024, 53780, 83359, 107560, 166718, 215120, 333436, 416795, 666872, 833590, 1333744, 1667180, 3334360, 6668720]

約数ペア:

[(1, 6668720), (2, 3334360), (4, 1667180), (5, 1333744), (8, 833590), (10, 666872), (16, 416795), (20, 333436), (31, 215120), (40, 166718), (62, 107560), (80, 83359), (124, 53780), (155, 43024), (248, 26890), (310, 21512), (496, 13445), (620, 10756), (1240, 5378), (2480, 2689)]