55781860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 120016512

約数和(自身を除く): 64234652

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 163, 241, 284, 326, 355, 482, 652, 710, 815, 964, 1205, 1420, 1630, 2410, 3260, 4820, 11573, 17111, 23146, 34222, 39283, 46292, 57865, 68444, 78566, 85555, 115730, 157132, 171110, 196415, 231460, 342220, 392830, 785660, 2789093, 5578186, 11156372, 13945465, 27890930, 55781860]

約数ペア:

[(1, 55781860), (2, 27890930), (4, 13945465), (5, 11156372), (10, 5578186), (20, 2789093), (71, 785660), (142, 392830), (163, 342220), (241, 231460), (284, 196415), (326, 171110), (355, 157132), (482, 115730), (652, 85555), (710, 78566), (815, 68444), (964, 57865), (1205, 46292), (1420, 39283), (1630, 34222), (2410, 23146), (3260, 17111), (4820, 11573)]