77885860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{647}}^1$

素因数の和:1132

約数の個数: 48

約数和(自身を含む): 176795136

約数和(自身を除く): 98909276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 463, 647, 926, 1294, 1852, 2315, 2588, 3235, 4630, 6019, 6470, 8411, 9260, 12038, 12940, 16822, 24076, 30095, 33644, 42055, 60190, 84110, 120380, 168220, 299561, 599122, 1198244, 1497805, 2995610, 3894293, 5991220, 7788586, 15577172, 19471465, 38942930, 77885860]

約数ペア:

[(1, 77885860), (2, 38942930), (4, 19471465), (5, 15577172), (10, 7788586), (13, 5991220), (20, 3894293), (26, 2995610), (52, 1497805), (65, 1198244), (130, 599122), (260, 299561), (463, 168220), (647, 120380), (926, 84110), (1294, 60190), (1852, 42055), (2315, 33644), (2588, 30095), (3235, 24076), (4630, 16822), (6019, 12940), (6470, 12038), (8411, 9260)]