68881840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{45317}}^1$

素因数の和:45349

約数の個数: 40

約数和(自身を含む): 168582960

約数和(自身を除く): 99701120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 45317, 90634, 181268, 226585, 362536, 453170, 725072, 861023, 906340, 1722046, 1812680, 3444092, 3625360, 4305115, 6888184, 8610230, 13776368, 17220460, 34440920, 68881840]

約数ペア:

[(1, 68881840), (2, 34440920), (4, 17220460), (5, 13776368), (8, 8610230), (10, 6888184), (16, 4305115), (19, 3625360), (20, 3444092), (38, 1812680), (40, 1722046), (76, 906340), (80, 861023), (95, 725072), (152, 453170), (190, 362536), (304, 226585), (380, 181268), (760, 90634), (1520, 45317)]