16291210720

素因数分解:

$2^5\times 5^1\times {\mathrm{167}}^1\times {\mathrm{609701}}^1$

素因数の和:609883

約数の個数: 48

約数和(自身を含む): 38718515808

約数和(自身を除く): 22427305088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 167, 334, 668, 835, 1336, 1670, 2672, 3340, 5344, 6680, 13360, 26720, 609701, 1219402, 2438804, 3048505, 4877608, 6097010, 9755216, 12194020, 19510432, 24388040, 48776080, 97552160, 101820067, 203640134, 407280268, 509100335, 814560536, 1018200670, 1629121072, 2036401340, 3258242144, 4072802680, 8145605360, 16291210720]

約数ペア:

[(1, 16291210720), (2, 8145605360), (4, 4072802680), (5, 3258242144), (8, 2036401340), (10, 1629121072), (16, 1018200670), (20, 814560536), (32, 509100335), (40, 407280268), (80, 203640134), (160, 101820067), (167, 97552160), (334, 48776080), (668, 24388040), (835, 19510432), (1336, 12194020), (1670, 9755216), (2672, 6097010), (3340, 4877608), (5344, 3048505), (6680, 2438804), (13360, 1219402), (26720, 609701)]