129225980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16033}}^1$

素因数の和:16086

約数の個数: 48

約数和(自身を含む): 301695744

約数和(自身を除く): 172469764

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, 16033, 32066, 64132, 80165, 160330, 208429, 320660, 416858, 497023, 833716, 994046, 1042145, 1988092, 2084290, 2485115, 4168580, 4970230, 6461299, 9940460, 12922598, 25845196, 32306495, 64612990, 129225980]

約数ペア:

[(1, 129225980), (2, 64612990), (4, 32306495), (5, 25845196), (10, 12922598), (13, 9940460), (20, 6461299), (26, 4970230), (31, 4168580), (52, 2485115), (62, 2084290), (65, 1988092), (124, 1042145), (130, 994046), (155, 833716), (260, 497023), (310, 416858), (403, 320660), (620, 208429), (806, 160330), (1612, 80165), (2015, 64132), (4030, 32066), (8060, 16033)]