55545380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4139}}^1$

素因数の和:4220

約数の個数: 48

約数和(自身を含む): 129366720

約数和(自身を除く): 73821340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 4139, 6710, 8278, 13420, 16556, 20695, 41390, 45529, 82780, 91058, 182116, 227645, 252479, 455290, 504958, 910580, 1009916, 1262395, 2524790, 2777269, 5049580, 5554538, 11109076, 13886345, 27772690, 55545380]

約数ペア:

[(1, 55545380), (2, 27772690), (4, 13886345), (5, 11109076), (10, 5554538), (11, 5049580), (20, 2777269), (22, 2524790), (44, 1262395), (55, 1009916), (61, 910580), (110, 504958), (122, 455290), (220, 252479), (244, 227645), (305, 182116), (610, 91058), (671, 82780), (1220, 45529), (1342, 41390), (2684, 20695), (3355, 16556), (4139, 13420), (6710, 8278)]