80195960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8117}}^1$

素因数の和:8160

約数の個数: 64

約数和(自身を含む): 204573600

約数和(自身を除く): 124377640

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, 1976, 2470, 4940, 8117, 9880, 16234, 32468, 40585, 64936, 81170, 105521, 154223, 162340, 211042, 308446, 324680, 422084, 527605, 616892, 771115, 844168, 1055210, 1233784, 1542230, 2004899, 2110420, 3084460, 4009798, 4220840, 6168920, 8019596, 10024495, 16039192, 20048990, 40097980, 80195960]

約数ペア:

[(1, 80195960), (2, 40097980), (4, 20048990), (5, 16039192), (8, 10024495), (10, 8019596), (13, 6168920), (19, 4220840), (20, 4009798), (26, 3084460), (38, 2110420), (40, 2004899), (52, 1542230), (65, 1233784), (76, 1055210), (95, 844168), (104, 771115), (130, 616892), (152, 527605), (190, 422084), (247, 324680), (260, 308446), (380, 211042), (494, 162340), (520, 154223), (760, 105521), (988, 81170), (1235, 64936), (1976, 40585), (2470, 32468), (4940, 16234), (8117, 9880)]