145198160

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{20393}}^1$

素因数の和:20495

約数の個数: 40

約数和(自身を含む): 341395560

約数和(自身を除く): 196197400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 20393, 40786, 81572, 101965, 163144, 203930, 326288, 407860, 815720, 1631440, 1814977, 3629954, 7259908, 9074885, 14519816, 18149770, 29039632, 36299540, 72599080, 145198160]

約数ペア:

[(1, 145198160), (2, 72599080), (4, 36299540), (5, 29039632), (8, 18149770), (10, 14519816), (16, 9074885), (20, 7259908), (40, 3629954), (80, 1814977), (89, 1631440), (178, 815720), (356, 407860), (445, 326288), (712, 203930), (890, 163144), (1424, 101965), (1780, 81572), (3560, 40786), (7120, 20393)]