2578804580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11721839}}^1$

素因数の和:11721859

約数の個数: 24

約数和(自身を含む): 5907807360

約数和(自身を除く): 3329002780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 11721839, 23443678, 46887356, 58609195, 117218390, 128940229, 234436780, 257880458, 515760916, 644701145, 1289402290, 2578804580]

約数ペア:

[(1, 2578804580), (2, 1289402290), (4, 644701145), (5, 515760916), (10, 257880458), (11, 234436780), (20, 128940229), (22, 117218390), (44, 58609195), (55, 46887356), (110, 23443678), (220, 11721839)]