25341820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1361}}^1$

素因数の和:1403

約数の個数: 72

約数和(自身を含む): 65212560

約数和(自身を除く): 39870740

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1361, 1862, 2660, 2722, 3724, 4655, 5444, 6805, 9310, 9527, 13610, 18620, 19054, 25859, 27220, 38108, 47635, 51718, 66689, 95270, 103436, 129295, 133378, 181013, 190540, 258590, 266756, 333445, 362026, 517180, 666890, 724052, 905065, 1267091, 1333780, 1810130, 2534182, 3620260, 5068364, 6335455, 12670910, 25341820]

約数ペア:

[(1, 25341820), (2, 12670910), (4, 6335455), (5, 5068364), (7, 3620260), (10, 2534182), (14, 1810130), (19, 1333780), (20, 1267091), (28, 905065), (35, 724052), (38, 666890), (49, 517180), (70, 362026), (76, 333445), (95, 266756), (98, 258590), (133, 190540), (140, 181013), (190, 133378), (196, 129295), (245, 103436), (266, 95270), (380, 66689), (490, 51718), (532, 47635), (665, 38108), (931, 27220), (980, 25859), (1330, 19054), (1361, 18620), (1862, 13610), (2660, 9527), (2722, 9310), (3724, 6805), (4655, 5444)]