80403880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{373}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 192669840

約数和(自身を除く): 112265960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 317, 340, 373, 634, 680, 746, 1268, 1492, 1585, 1865, 2536, 2984, 3170, 3730, 5389, 6340, 6341, 7460, 10778, 12680, 12682, 14920, 21556, 25364, 26945, 31705, 43112, 50728, 53890, 63410, 107780, 118241, 126820, 215560, 236482, 253640, 472964, 591205, 945928, 1182410, 2010097, 2364820, 4020194, 4729640, 8040388, 10050485, 16080776, 20100970, 40201940, 80403880]

約数ペア:

[(1, 80403880), (2, 40201940), (4, 20100970), (5, 16080776), (8, 10050485), (10, 8040388), (17, 4729640), (20, 4020194), (34, 2364820), (40, 2010097), (68, 1182410), (85, 945928), (136, 591205), (170, 472964), (317, 253640), (340, 236482), (373, 215560), (634, 126820), (680, 118241), (746, 107780), (1268, 63410), (1492, 53890), (1585, 50728), (1865, 43112), (2536, 31705), (2984, 26945), (3170, 25364), (3730, 21556), (5389, 14920), (6340, 12682), (6341, 12680), (7460, 10778)]