2663513680

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{374089}}^1$

素因数の和:374191

約数の個数: 40

約数和(自身を含む): 6262266600

約数和(自身を除く): 3598752920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 374089, 748178, 1496356, 1870445, 2992712, 3740890, 5985424, 7481780, 14963560, 29927120, 33293921, 66587842, 133175684, 166469605, 266351368, 332939210, 532702736, 665878420, 1331756840, 2663513680]

約数ペア:

[(1, 2663513680), (2, 1331756840), (4, 665878420), (5, 532702736), (8, 332939210), (10, 266351368), (16, 166469605), (20, 133175684), (40, 66587842), (80, 33293921), (89, 29927120), (178, 14963560), (356, 7481780), (445, 5985424), (712, 3740890), (890, 2992712), (1424, 1870445), (1780, 1496356), (3560, 748178), (7120, 374089)]