78680800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8941}}^1$

素因数の和:8972

約数の個数: 72

約数和(自身を含む): 209564712

約数和(自身を除く): 130883912

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2200, 4400, 8800, 8941, 17882, 35764, 44705, 71528, 89410, 98351, 143056, 178820, 196702, 223525, 286112, 357640, 393404, 447050, 491755, 715280, 786808, 894100, 983510, 1430560, 1573616, 1788200, 1967020, 2458775, 3147232, 3576400, 3934040, 4917550, 7152800, 7868080, 9835100, 15736160, 19670200, 39340400, 78680800]

約数ペア:

[(1, 78680800), (2, 39340400), (4, 19670200), (5, 15736160), (8, 9835100), (10, 7868080), (11, 7152800), (16, 4917550), (20, 3934040), (22, 3576400), (25, 3147232), (32, 2458775), (40, 1967020), (44, 1788200), (50, 1573616), (55, 1430560), (80, 983510), (88, 894100), (100, 786808), (110, 715280), (160, 491755), (176, 447050), (200, 393404), (220, 357640), (275, 286112), (352, 223525), (400, 196702), (440, 178820), (550, 143056), (800, 98351), (880, 89410), (1100, 71528), (1760, 44705), (2200, 35764), (4400, 17882), (8800, 8941)]