42529540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23893}}^1$

素因数の和:23991

約数の個数: 24

約数和(自身を含む): 90319320

約数和(自身を除く): 47789780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 23893, 47786, 95572, 119465, 238930, 477860, 2126477, 4252954, 8505908, 10632385, 21264770, 42529540]

約数ペア:

[(1, 42529540), (2, 21264770), (4, 10632385), (5, 8505908), (10, 4252954), (20, 2126477), (89, 477860), (178, 238930), (356, 119465), (445, 95572), (890, 47786), (1780, 23893)]