42565985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:99

約数の個数: 72

約数和(自身を含む): 70607040

約数和(自身を除く): 28041055

約数列:

[1, 5, 7, 11, 19, 23, 35, 55, 77, 95, 115, 121, 133, 161, 209, 253, 385, 437, 529, 605, 665, 805, 847, 1045, 1265, 1463, 1771, 2185, 2299, 2645, 2783, 3059, 3703, 4235, 4807, 5819, 7315, 8855, 10051, 11495, 13915, 15295, 16093, 18515, 19481, 24035, 29095, 33649, 40733, 50255, 52877, 64009, 70357, 80465, 97405, 110561, 168245, 203665, 264385, 320045, 351785, 370139, 448063, 552805, 773927, 1216171, 1850695, 2240315, 3869635, 6080855, 8513197, 42565985]

約数ペア:

[(1, 42565985), (5, 8513197), (7, 6080855), (11, 3869635), (19, 2240315), (23, 1850695), (35, 1216171), (55, 773927), (77, 552805), (95, 448063), (115, 370139), (121, 351785), (133, 320045), (161, 264385), (209, 203665), (253, 168245), (385, 110561), (437, 97405), (529, 80465), (605, 70357), (665, 64009), (805, 52877), (847, 50255), (1045, 40733), (1265, 33649), (1463, 29095), (1771, 24035), (2185, 19481), (2299, 18515), (2645, 16093), (2783, 15295), (3059, 13915), (3703, 11495), (4235, 10051), (4807, 8855), (5819, 7315)]