168440080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{123853}}^1$

素因数の和:123883

約数の個数: 40

約数和(自身を含む): 414663192

約数和(自身を除く): 246223112

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 123853, 247706, 495412, 619265, 990824, 1238530, 1981648, 2105501, 2477060, 4211002, 4954120, 8422004, 9908240, 10527505, 16844008, 21055010, 33688016, 42110020, 84220040, 168440080]

約数ペア:

[(1, 168440080), (2, 84220040), (4, 42110020), (5, 33688016), (8, 21055010), (10, 16844008), (16, 10527505), (17, 9908240), (20, 8422004), (34, 4954120), (40, 4211002), (68, 2477060), (80, 2105501), (85, 1981648), (136, 1238530), (170, 990824), (272, 619265), (340, 495412), (680, 247706), (1360, 123853)]