72372680

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{21799}}^1$

素因数の和:21893

約数の個数: 32

約数和(自身を含む): 164808000

約数和(自身を除く): 92435320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 21799, 43598, 87196, 108995, 174392, 217990, 435980, 871960, 1809317, 3618634, 7237268, 9046585, 14474536, 18093170, 36186340, 72372680]

約数ペア:

[(1, 72372680), (2, 36186340), (4, 18093170), (5, 14474536), (8, 9046585), (10, 7237268), (20, 3618634), (40, 1809317), (83, 871960), (166, 435980), (332, 217990), (415, 174392), (664, 108995), (830, 87196), (1660, 43598), (3320, 21799)]