129212240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{95009}}^1$

素因数の和:95039

約数の個数: 40

約数和(自身を含む): 318093480

約数和(自身を除く): 188881240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 95009, 190018, 380036, 475045, 760072, 950090, 1520144, 1615153, 1900180, 3230306, 3800360, 6460612, 7600720, 8075765, 12921224, 16151530, 25842448, 32303060, 64606120, 129212240]

約数ペア:

[(1, 129212240), (2, 64606120), (4, 32303060), (5, 25842448), (8, 16151530), (10, 12921224), (16, 8075765), (17, 7600720), (20, 6460612), (34, 3800360), (40, 3230306), (68, 1900180), (80, 1615153), (85, 1520144), (136, 950090), (170, 760072), (272, 475045), (340, 380036), (680, 190018), (1360, 95009)]