27788860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11483}}^1$

素因数の和:11514

約数の個数: 36

約数和(自身を含む): 64149624

約数和(自身を除く): 36360764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 11483, 22966, 45932, 57415, 114830, 126313, 229660, 252626, 505252, 631565, 1263130, 1389443, 2526260, 2778886, 5557772, 6947215, 13894430, 27788860]

約数ペア:

[(1, 27788860), (2, 13894430), (4, 6947215), (5, 5557772), (10, 2778886), (11, 2526260), (20, 1389443), (22, 1263130), (44, 631565), (55, 505252), (110, 252626), (121, 229660), (220, 126313), (242, 114830), (484, 57415), (605, 45932), (1210, 22966), (2420, 11483)]