9885440

素因数分解:

$2^8\times 5^1\times {\mathrm{7723}}^1$

素因数の和:7744

約数の個数: 36

約数和(自身を含む): 23681784

約数和(自身を除く): 13796344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 7723, 15446, 30892, 38615, 61784, 77230, 123568, 154460, 247136, 308920, 494272, 617840, 988544, 1235680, 1977088, 2471360, 4942720, 9885440]

約数ペア:

[(1, 9885440), (2, 4942720), (4, 2471360), (5, 1977088), (8, 1235680), (10, 988544), (16, 617840), (20, 494272), (32, 308920), (40, 247136), (64, 154460), (80, 123568), (128, 77230), (160, 61784), (256, 38615), (320, 30892), (640, 15446), (1280, 7723)]