81343460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{33613}}^1$

素因数の和:33644

約数の個数: 36

約数和(自身を含む): 187767804

約数和(自身を除く): 106424344

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 33613, 67226, 134452, 168065, 336130, 369743, 672260, 739486, 1478972, 1848715, 3697430, 4067173, 7394860, 8134346, 16268692, 20335865, 40671730, 81343460]

約数ペア:

[(1, 81343460), (2, 40671730), (4, 20335865), (5, 16268692), (10, 8134346), (11, 7394860), (20, 4067173), (22, 3697430), (44, 1848715), (55, 1478972), (110, 739486), (121, 672260), (220, 369743), (242, 336130), (484, 168065), (605, 134452), (1210, 67226), (2420, 33613)]