38108980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20939}}^1$

素因数の和:20968

約数の個数: 48

約数和(自身を含む): 98501760

約数和(自身を除く): 60392780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 20939, 41878, 83756, 104695, 146573, 209390, 272207, 293146, 418780, 544414, 586292, 732865, 1088828, 1361035, 1465730, 1905449, 2722070, 2931460, 3810898, 5444140, 7621796, 9527245, 19054490, 38108980]

約数ペア:

[(1, 38108980), (2, 19054490), (4, 9527245), (5, 7621796), (7, 5444140), (10, 3810898), (13, 2931460), (14, 2722070), (20, 1905449), (26, 1465730), (28, 1361035), (35, 1088828), (52, 732865), (65, 586292), (70, 544414), (91, 418780), (130, 293146), (140, 272207), (182, 209390), (260, 146573), (364, 104695), (455, 83756), (910, 41878), (1820, 20939)]