81263050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2081}}^1$

素因数の和:2175

約数の個数: 48

約数和(自身を含む): 167292864

約数和(自身を除く): 86029814

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 71, 110, 142, 275, 355, 550, 710, 781, 1562, 1775, 2081, 3550, 3905, 4162, 7810, 10405, 19525, 20810, 22891, 39050, 45782, 52025, 104050, 114455, 147751, 228910, 295502, 572275, 738755, 1144550, 1477510, 1625261, 3250522, 3693775, 7387550, 8126305, 16252610, 40631525, 81263050]

約数ペア:

[(1, 81263050), (2, 40631525), (5, 16252610), (10, 8126305), (11, 7387550), (22, 3693775), (25, 3250522), (50, 1625261), (55, 1477510), (71, 1144550), (110, 738755), (142, 572275), (275, 295502), (355, 228910), (550, 147751), (710, 114455), (781, 104050), (1562, 52025), (1775, 45782), (2081, 39050), (3550, 22891), (3905, 20810), (4162, 19525), (7810, 10405)]