8219840

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1511}}^1$

素因数の和:1545

約数の個数: 56

約数和(自身を含む): 20738592

約数和(自身を除く): 12518752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 1511, 2720, 3022, 5440, 6044, 7555, 12088, 15110, 24176, 25687, 30220, 48352, 51374, 60440, 96704, 102748, 120880, 128435, 205496, 241760, 256870, 410992, 483520, 513740, 821984, 1027480, 1643968, 2054960, 4109920, 8219840]

約数ペア:

[(1, 8219840), (2, 4109920), (4, 2054960), (5, 1643968), (8, 1027480), (10, 821984), (16, 513740), (17, 483520), (20, 410992), (32, 256870), (34, 241760), (40, 205496), (64, 128435), (68, 120880), (80, 102748), (85, 96704), (136, 60440), (160, 51374), (170, 48352), (272, 30220), (320, 25687), (340, 24176), (544, 15110), (680, 12088), (1088, 7555), (1360, 6044), (1511, 5440), (2720, 3022)]