39042320

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3511}}^1$

素因数の和:3663

約数の個数: 40

約数和(自身を含む): 91452480

約数和(自身を除く): 52410160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 3511, 5560, 7022, 11120, 14044, 17555, 28088, 35110, 56176, 70220, 140440, 280880, 488029, 976058, 1952116, 2440145, 3904232, 4880290, 7808464, 9760580, 19521160, 39042320]

約数ペア:

[(1, 39042320), (2, 19521160), (4, 9760580), (5, 7808464), (8, 4880290), (10, 3904232), (16, 2440145), (20, 1952116), (40, 976058), (80, 488029), (139, 280880), (278, 140440), (556, 70220), (695, 56176), (1112, 35110), (1390, 28088), (2224, 17555), (2780, 14044), (3511, 11120), (5560, 7022)]