155118940

素因数分解:

$2^2\times 5^1\times {\mathrm{2129}}^1\times {\mathrm{3643}}^1$

素因数の和:5781

約数の個数: 24

約数和(自身を含む): 325992240

約数和(自身を除く): 170873300

約数列:

[1, 2, 4, 5, 10, 20, 2129, 3643, 4258, 7286, 8516, 10645, 14572, 18215, 21290, 36430, 42580, 72860, 7755947, 15511894, 31023788, 38779735, 77559470, 155118940]

約数ペア:

[(1, 155118940), (2, 77559470), (4, 38779735), (5, 31023788), (10, 15511894), (20, 7755947), (2129, 72860), (3643, 42580), (4258, 36430), (7286, 21290), (8516, 18215), (10645, 14572)]