27802480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20443}}^1$

素因数の和:20473

約数の個数: 40

約数和(自身を含む): 68446512

約数和(自身を除く): 40644032

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 20443, 40886, 81772, 102215, 163544, 204430, 327088, 347531, 408860, 695062, 817720, 1390124, 1635440, 1737655, 2780248, 3475310, 5560496, 6950620, 13901240, 27802480]

約数ペア:

[(1, 27802480), (2, 13901240), (4, 6950620), (5, 5560496), (8, 3475310), (10, 2780248), (16, 1737655), (17, 1635440), (20, 1390124), (34, 817720), (40, 695062), (68, 408860), (80, 347531), (85, 327088), (136, 204430), (170, 163544), (272, 102215), (340, 81772), (680, 40886), (1360, 20443)]