40079260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1109}}^1$

素因数の和:1270

約数の個数: 48

約数和(自身を含む): 91375200

約数和(自身を除く): 51295940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1109, 1390, 1807, 2218, 2780, 3614, 4436, 5545, 7228, 9035, 11090, 14417, 18070, 22180, 28834, 36140, 57668, 72085, 144170, 154151, 288340, 308302, 616604, 770755, 1541510, 2003963, 3083020, 4007926, 8015852, 10019815, 20039630, 40079260]

約数ペア:

[(1, 40079260), (2, 20039630), (4, 10019815), (5, 8015852), (10, 4007926), (13, 3083020), (20, 2003963), (26, 1541510), (52, 770755), (65, 616604), (130, 308302), (139, 288340), (260, 154151), (278, 144170), (556, 72085), (695, 57668), (1109, 36140), (1390, 28834), (1807, 22180), (2218, 18070), (2780, 14417), (3614, 11090), (4436, 9035), (5545, 7228)]