156860720

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22031}}^1$

素因数の和:22133

約数の個数: 40

約数和(自身を含む): 368815680

約数和(自身を除く): 211954960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 22031, 44062, 88124, 110155, 176248, 220310, 352496, 440620, 881240, 1762480, 1960759, 3921518, 7843036, 9803795, 15686072, 19607590, 31372144, 39215180, 78430360, 156860720]

約数ペア:

[(1, 156860720), (2, 78430360), (4, 39215180), (5, 31372144), (8, 19607590), (10, 15686072), (16, 9803795), (20, 7843036), (40, 3921518), (80, 1960759), (89, 1762480), (178, 881240), (356, 440620), (445, 352496), (712, 220310), (890, 176248), (1424, 110155), (1780, 88124), (3560, 44062), (7120, 22031)]