71519440

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{10771}}^1$

素因数の和:10867

約数の個数: 40

約数和(自身を含む): 168301728

約数和(自身を除く): 96782288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 10771, 21542, 43084, 53855, 86168, 107710, 172336, 215420, 430840, 861680, 893993, 1787986, 3575972, 4469965, 7151944, 8939930, 14303888, 17879860, 35759720, 71519440]

約数ペア:

[(1, 71519440), (2, 35759720), (4, 17879860), (5, 14303888), (8, 8939930), (10, 7151944), (16, 4469965), (20, 3575972), (40, 1787986), (80, 893993), (83, 861680), (166, 430840), (332, 215420), (415, 172336), (664, 107710), (830, 86168), (1328, 53855), (1660, 43084), (3320, 21542), (6640, 10771)]