13920920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1409}}^1$

素因数の和:1452

約数の個数: 64

約数和(自身を含む): 35532000

約数和(自身を除く): 21611080

約数列:

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

約数ペア:

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