12579804340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20290007}}^1$

素因数の和:20290047

約数の個数: 24

約数和(自身を含む): 27269770752

約数和(自身を除く): 14689966412

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 20290007, 40580014, 81160028, 101450035, 202900070, 405800140, 628990217, 1257980434, 2515960868, 3144951085, 6289902170, 12579804340]

約数ペア:

[(1, 12579804340), (2, 6289902170), (4, 3144951085), (5, 2515960868), (10, 1257980434), (20, 628990217), (31, 405800140), (62, 202900070), (124, 101450035), (155, 81160028), (310, 40580014), (620, 20290007)]