39808580

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{829}}^1$

素因数の和:866

約数の個数: 60

約数和(自身を含む): 97642860

約数和(自身を除く): 57834280

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 829, 980, 1372, 1658, 1715, 2401, 3316, 3430, 4145, 4802, 5803, 6860, 8290, 9604, 11606, 12005, 16580, 23212, 24010, 29015, 40621, 48020, 58030, 81242, 116060, 162484, 203105, 284347, 406210, 568694, 812420, 1137388, 1421735, 1990429, 2843470, 3980858, 5686940, 7961716, 9952145, 19904290, 39808580]

約数ペア:

[(1, 39808580), (2, 19904290), (4, 9952145), (5, 7961716), (7, 5686940), (10, 3980858), (14, 2843470), (20, 1990429), (28, 1421735), (35, 1137388), (49, 812420), (70, 568694), (98, 406210), (140, 284347), (196, 203105), (245, 162484), (343, 116060), (490, 81242), (686, 58030), (829, 48020), (980, 40621), (1372, 29015), (1658, 24010), (1715, 23212), (2401, 16580), (3316, 12005), (3430, 11606), (4145, 9604), (4802, 8290), (5803, 6860)]