131881880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1997}}^1$

素因数の和:2148

約数の個数: 64

約数和(自身を含む): 322237440

約数和(自身を除く): 190355560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 254, 260, 508, 520, 635, 1016, 1270, 1651, 1997, 2540, 3302, 3994, 5080, 6604, 7988, 8255, 9985, 13208, 15976, 16510, 19970, 25961, 33020, 39940, 51922, 66040, 79880, 103844, 129805, 207688, 253619, 259610, 507238, 519220, 1014476, 1038440, 1268095, 2028952, 2536190, 3297047, 5072380, 6594094, 10144760, 13188188, 16485235, 26376376, 32970470, 65940940, 131881880]

約数ペア:

[(1, 131881880), (2, 65940940), (4, 32970470), (5, 26376376), (8, 16485235), (10, 13188188), (13, 10144760), (20, 6594094), (26, 5072380), (40, 3297047), (52, 2536190), (65, 2028952), (104, 1268095), (127, 1038440), (130, 1014476), (254, 519220), (260, 507238), (508, 259610), (520, 253619), (635, 207688), (1016, 129805), (1270, 103844), (1651, 79880), (1997, 66040), (2540, 51922), (3302, 39940), (3994, 33020), (5080, 25961), (6604, 19970), (7988, 16510), (8255, 15976), (9985, 13208)]