27841840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1409}}^1$

素因数の和:1454

約数の個数: 80

約数和(自身を含む): 73432800

約数和(自身を除く): 45590960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1409, 1520, 1976, 2470, 2818, 3952, 4940, 5636, 7045, 9880, 11272, 14090, 18317, 19760, 22544, 26771, 28180, 36634, 53542, 56360, 73268, 91585, 107084, 112720, 133855, 146536, 183170, 214168, 267710, 293072, 348023, 366340, 428336, 535420, 696046, 732680, 1070840, 1392092, 1465360, 1740115, 2141680, 2784184, 3480230, 5568368, 6960460, 13920920, 27841840]

約数ペア:

[(1, 27841840), (2, 13920920), (4, 6960460), (5, 5568368), (8, 3480230), (10, 2784184), (13, 2141680), (16, 1740115), (19, 1465360), (20, 1392092), (26, 1070840), (38, 732680), (40, 696046), (52, 535420), (65, 428336), (76, 366340), (80, 348023), (95, 293072), (104, 267710), (130, 214168), (152, 183170), (190, 146536), (208, 133855), (247, 112720), (260, 107084), (304, 91585), (380, 73268), (494, 56360), (520, 53542), (760, 36634), (988, 28180), (1040, 26771), (1235, 22544), (1409, 19760), (1520, 18317), (1976, 14090), (2470, 11272), (2818, 9880), (3952, 7045), (4940, 5636)]