80465450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1567}}^1$

素因数の和:1671

約数の個数: 48

約数和(自身を含む): 163322880

約数和(自身を除く): 82857430

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 79, 130, 158, 325, 395, 650, 790, 1027, 1567, 1975, 2054, 3134, 3950, 5135, 7835, 10270, 15670, 20371, 25675, 39175, 40742, 51350, 78350, 101855, 123793, 203710, 247586, 509275, 618965, 1018550, 1237930, 1609309, 3094825, 3218618, 6189650, 8046545, 16093090, 40232725, 80465450]

約数ペア:

[(1, 80465450), (2, 40232725), (5, 16093090), (10, 8046545), (13, 6189650), (25, 3218618), (26, 3094825), (50, 1609309), (65, 1237930), (79, 1018550), (130, 618965), (158, 509275), (325, 247586), (395, 203710), (650, 123793), (790, 101855), (1027, 78350), (1567, 51350), (1975, 40742), (2054, 39175), (3134, 25675), (3950, 20371), (5135, 15670), (7835, 10270)]