71609080

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{21569}}^1$

素因数の和:21663

約数の個数: 32

約数和(自身を含む): 163069200

約数和(自身を除く): 91460120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 21569, 43138, 86276, 107845, 172552, 215690, 431380, 862760, 1790227, 3580454, 7160908, 8951135, 14321816, 17902270, 35804540, 71609080]

約数ペア:

[(1, 71609080), (2, 35804540), (4, 17902270), (5, 14321816), (8, 8951135), (10, 7160908), (20, 3580454), (40, 1790227), (83, 862760), (166, 431380), (332, 215690), (415, 172552), (664, 107845), (830, 86276), (1660, 43138), (3320, 21569)]