168625040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{123989}}^1$

素因数の和:124019

約数の個数: 40

約数和(自身を含む): 415118520

約数和(自身を除く): 246493480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 123989, 247978, 495956, 619945, 991912, 1239890, 1983824, 2107813, 2479780, 4215626, 4959560, 8431252, 9919120, 10539065, 16862504, 21078130, 33725008, 42156260, 84312520, 168625040]

約数ペア:

[(1, 168625040), (2, 84312520), (4, 42156260), (5, 33725008), (8, 21078130), (10, 16862504), (16, 10539065), (17, 9919120), (20, 8431252), (34, 4959560), (40, 4215626), (68, 2479780), (80, 2107813), (85, 1983824), (136, 1239890), (170, 991912), (272, 619945), (340, 495956), (680, 247978), (1360, 123989)]