2821760

素因数分解:

$2^7\times 5^1\times {\mathrm{4409}}^1$

素因数の和:4428

約数の個数: 32

約数和(自身を含む): 6747300

約数和(自身を除く): 3925540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 4409, 8818, 17636, 22045, 35272, 44090, 70544, 88180, 141088, 176360, 282176, 352720, 564352, 705440, 1410880, 2821760]

約数ペア:

[(1, 2821760), (2, 1410880), (4, 705440), (5, 564352), (8, 352720), (10, 282176), (16, 176360), (20, 141088), (32, 88180), (40, 70544), (64, 44090), (80, 35272), (128, 22045), (160, 17636), (320, 8818), (640, 4409)]