38398160

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5393}}^1$

素因数の和:5495

約数の個数: 40

約数和(自身を含む): 90295560

約数和(自身を除く): 51897400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 5393, 7120, 10786, 21572, 26965, 43144, 53930, 86288, 107860, 215720, 431440, 479977, 959954, 1919908, 2399885, 3839816, 4799770, 7679632, 9599540, 19199080, 38398160]

約数ペア:

[(1, 38398160), (2, 19199080), (4, 9599540), (5, 7679632), (8, 4799770), (10, 3839816), (16, 2399885), (20, 1919908), (40, 959954), (80, 479977), (89, 431440), (178, 215720), (356, 107860), (445, 86288), (712, 53930), (890, 43144), (1424, 26965), (1780, 21572), (3560, 10786), (5393, 7120)]