80430820

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{311}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 172867968

約数和(自身を除く): 92437148

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 193, 268, 311, 335, 386, 622, 670, 772, 965, 1244, 1340, 1555, 1930, 3110, 3860, 6220, 12931, 20837, 25862, 41674, 51724, 60023, 64655, 83348, 104185, 120046, 129310, 208370, 240092, 258620, 300115, 416740, 600230, 1200460, 4021541, 8043082, 16086164, 20107705, 40215410, 80430820]

約数ペア:

[(1, 80430820), (2, 40215410), (4, 20107705), (5, 16086164), (10, 8043082), (20, 4021541), (67, 1200460), (134, 600230), (193, 416740), (268, 300115), (311, 258620), (335, 240092), (386, 208370), (622, 129310), (670, 120046), (772, 104185), (965, 83348), (1244, 64655), (1340, 60023), (1555, 51724), (1930, 41674), (3110, 25862), (3860, 20837), (6220, 12931)]