23631280

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3319}}^1$

素因数の和:3421

約数の個数: 40

約数和(自身を含む): 55576800

約数和(自身を除く): 31945520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3319, 3560, 6638, 7120, 13276, 16595, 26552, 33190, 53104, 66380, 132760, 265520, 295391, 590782, 1181564, 1476955, 2363128, 2953910, 4726256, 5907820, 11815640, 23631280]

約数ペア:

[(1, 23631280), (2, 11815640), (4, 5907820), (5, 4726256), (8, 2953910), (10, 2363128), (16, 1476955), (20, 1181564), (40, 590782), (80, 295391), (89, 265520), (178, 132760), (356, 66380), (445, 53104), (712, 33190), (890, 26552), (1424, 16595), (1780, 13276), (3319, 7120), (3560, 6638)]