40688080

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3659}}^1$

素因数の和:3811

約数の個数: 40

約数和(自身を含む): 95306400

約数和(自身を除く): 54618320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 3659, 5560, 7318, 11120, 14636, 18295, 29272, 36590, 58544, 73180, 146360, 292720, 508601, 1017202, 2034404, 2543005, 4068808, 5086010, 8137616, 10172020, 20344040, 40688080]

約数ペア:

[(1, 40688080), (2, 20344040), (4, 10172020), (5, 8137616), (8, 5086010), (10, 4068808), (16, 2543005), (20, 2034404), (40, 1017202), (80, 508601), (139, 292720), (278, 146360), (556, 73180), (695, 58544), (1112, 36590), (1390, 29272), (2224, 18295), (2780, 14636), (3659, 11120), (5560, 7318)]