78904480

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29009}}^1$

素因数の和:29041

約数の個数: 48

約数和(自身を含む): 197384040

約数和(自身を除く): 118479560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 29009, 58018, 116036, 145045, 232072, 290090, 464144, 493153, 580180, 928288, 986306, 1160360, 1972612, 2320720, 2465765, 3945224, 4641440, 4931530, 7890448, 9863060, 15780896, 19726120, 39452240, 78904480]

約数ペア:

[(1, 78904480), (2, 39452240), (4, 19726120), (5, 15780896), (8, 9863060), (10, 7890448), (16, 4931530), (17, 4641440), (20, 3945224), (32, 2465765), (34, 2320720), (40, 1972612), (68, 1160360), (80, 986306), (85, 928288), (136, 580180), (160, 493153), (170, 464144), (272, 290090), (340, 232072), (544, 145045), (680, 116036), (1360, 58018), (2720, 29009)]