207891580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25793}}^1$

素因数の和:25846

約数の個数: 48

約数和(自身を含む): 485339904

約数和(自身を除く): 277448324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 25793, 51586, 103172, 128965, 257930, 335309, 515860, 670618, 799583, 1341236, 1599166, 1676545, 3198332, 3353090, 3997915, 6706180, 7995830, 10394579, 15991660, 20789158, 41578316, 51972895, 103945790, 207891580]

約数ペア:

[(1, 207891580), (2, 103945790), (4, 51972895), (5, 41578316), (10, 20789158), (13, 15991660), (20, 10394579), (26, 7995830), (31, 6706180), (52, 3997915), (62, 3353090), (65, 3198332), (124, 1676545), (130, 1599166), (155, 1341236), (260, 799583), (310, 670618), (403, 515860), (620, 335309), (806, 257930), (1612, 128965), (2015, 103172), (4030, 51586), (8060, 25793)]