27996889180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{284117}}^1$

素因数の和:284518

約数の個数: 48

約数和(自身を含む): 63483325920

約数和(自身を除く): 35486436740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 379, 758, 1516, 1895, 3790, 4927, 7580, 9854, 19708, 24635, 49270, 98540, 284117, 568234, 1136468, 1420585, 2841170, 3693521, 5682340, 7387042, 14774084, 18467605, 36935210, 73870420, 107680343, 215360686, 430721372, 538401715, 1076803430, 1399844459, 2153606860, 2799688918, 5599377836, 6999222295, 13998444590, 27996889180]

約数ペア:

[(1, 27996889180), (2, 13998444590), (4, 6999222295), (5, 5599377836), (10, 2799688918), (13, 2153606860), (20, 1399844459), (26, 1076803430), (52, 538401715), (65, 430721372), (130, 215360686), (260, 107680343), (379, 73870420), (758, 36935210), (1516, 18467605), (1895, 14774084), (3790, 7387042), (4927, 5682340), (7580, 3693521), (9854, 2841170), (19708, 1420585), (24635, 1136468), (49270, 568234), (98540, 284117)]