15888988840

素因数分解:

$2^3\times 5^1\times {\mathrm{29137}}^1\times {\mathrm{13633}}^1$

素因数の和:42781

約数の個数: 32

約数和(自身を含む): 35754074280

約数和(自身を除く): 19865085440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13633, 27266, 29137, 54532, 58274, 68165, 109064, 116548, 136330, 145685, 233096, 272660, 291370, 545320, 582740, 1165480, 397224721, 794449442, 1588898884, 1986123605, 3177797768, 3972247210, 7944494420, 15888988840]

約数ペア:

[(1, 15888988840), (2, 7944494420), (4, 3972247210), (5, 3177797768), (8, 1986123605), (10, 1588898884), (20, 794449442), (40, 397224721), (13633, 1165480), (27266, 582740), (29137, 545320), (54532, 291370), (58274, 272660), (68165, 233096), (109064, 145685), (116548, 136330)]