85170020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10567}}^1$

素因数の和:10620

約数の個数: 48

約数和(自身を含む): 198847488

約数和(自身を除く): 113677468

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, 10567, 21134, 42268, 52835, 105670, 137371, 211340, 274742, 327577, 549484, 655154, 686855, 1310308, 1373710, 1637885, 2747420, 3275770, 4258501, 6551540, 8517002, 17034004, 21292505, 42585010, 85170020]

約数ペア:

[(1, 85170020), (2, 42585010), (4, 21292505), (5, 17034004), (10, 8517002), (13, 6551540), (20, 4258501), (26, 3275770), (31, 2747420), (52, 1637885), (62, 1373710), (65, 1310308), (124, 686855), (130, 655154), (155, 549484), (260, 327577), (310, 274742), (403, 211340), (620, 137371), (806, 105670), (1612, 52835), (2015, 42268), (4030, 21134), (8060, 10567)]