26728820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2269}}^1$

素因数の和:2328

約数の個数: 48

約数和(自身を含む): 61017600

約数和(自身を除く): 34288780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2269, 2356, 2945, 4538, 5890, 9076, 11345, 11780, 22690, 43111, 45380, 70339, 86222, 140678, 172444, 215555, 281356, 351695, 431110, 703390, 862220, 1336441, 1406780, 2672882, 5345764, 6682205, 13364410, 26728820]

約数ペア:

[(1, 26728820), (2, 13364410), (4, 6682205), (5, 5345764), (10, 2672882), (19, 1406780), (20, 1336441), (31, 862220), (38, 703390), (62, 431110), (76, 351695), (95, 281356), (124, 215555), (155, 172444), (190, 140678), (310, 86222), (380, 70339), (589, 45380), (620, 43111), (1178, 22690), (2269, 11780), (2356, 11345), (2945, 9076), (4538, 5890)]