39770920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{142039}}^1$

素因数の和:142057

約数の個数: 32

約数和(自身を含む): 102268800

約数和(自身を除く): 62497880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 142039, 284078, 568156, 710195, 994273, 1136312, 1420390, 1988546, 2840780, 3977092, 4971365, 5681560, 7954184, 9942730, 19885460, 39770920]

約数ペア:

[(1, 39770920), (2, 19885460), (4, 9942730), (5, 7954184), (7, 5681560), (8, 4971365), (10, 3977092), (14, 2840780), (20, 1988546), (28, 1420390), (35, 1136312), (40, 994273), (56, 710195), (70, 568156), (140, 284078), (280, 142039)]