11888988380

素因数分解:

$2^2\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{461171}}^1$

素因数の和:462469

約数の個数: 24

約数和(自身を含む): 24986298960

約数和(自身を除く): 13097310580

約数列:

[1, 2, 4, 5, 10, 20, 1289, 2578, 5156, 6445, 12890, 25780, 461171, 922342, 1844684, 2305855, 4611710, 9223420, 594449419, 1188898838, 2377797676, 2972247095, 5944494190, 11888988380]

約数ペア:

[(1, 11888988380), (2, 5944494190), (4, 2972247095), (5, 2377797676), (10, 1188898838), (20, 594449419), (1289, 9223420), (2578, 4611710), (5156, 2305855), (6445, 1844684), (12890, 922342), (25780, 461171)]