2080698920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1\times {\mathrm{2029}}^1$

素因数の和:2898

約数の個数: 64

約数和(自身を含む): 4840819200

約数和(自身を除く): 2760120280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 827, 1240, 1654, 2029, 3308, 4058, 4135, 6616, 8116, 8270, 10145, 16232, 16540, 20290, 25637, 33080, 40580, 51274, 62899, 81160, 102548, 125798, 128185, 205096, 251596, 256370, 314495, 503192, 512740, 628990, 1025480, 1257980, 1677983, 2515960, 3355966, 6711932, 8389915, 13423864, 16779830, 33559660, 52017473, 67119320, 104034946, 208069892, 260087365, 416139784, 520174730, 1040349460, 2080698920]

約数ペア:

[(1, 2080698920), (2, 1040349460), (4, 520174730), (5, 416139784), (8, 260087365), (10, 208069892), (20, 104034946), (31, 67119320), (40, 52017473), (62, 33559660), (124, 16779830), (155, 13423864), (248, 8389915), (310, 6711932), (620, 3355966), (827, 2515960), (1240, 1677983), (1654, 1257980), (2029, 1025480), (3308, 628990), (4058, 512740), (4135, 503192), (6616, 314495), (8116, 256370), (8270, 251596), (10145, 205096), (16232, 128185), (16540, 125798), (20290, 102548), (25637, 81160), (33080, 62899), (40580, 51274)]