2017459120

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{6911}}^1$

素因数の和:7054

約数の個数: 80

約数和(自身を含む): 4859688960

約数和(自身を除く): 2842229840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 89, 164, 178, 205, 328, 356, 410, 445, 656, 712, 820, 890, 1424, 1640, 1780, 3280, 3560, 3649, 6911, 7120, 7298, 13822, 14596, 18245, 27644, 29192, 34555, 36490, 55288, 58384, 69110, 72980, 110576, 138220, 145960, 276440, 283351, 291920, 552880, 566702, 615079, 1133404, 1230158, 1416755, 2266808, 2460316, 2833510, 3075395, 4533616, 4920632, 5667020, 6150790, 9841264, 11334040, 12301580, 22668080, 24603160, 25218239, 49206320, 50436478, 100872956, 126091195, 201745912, 252182390, 403491824, 504364780, 1008729560, 2017459120]

約数ペア:

[(1, 2017459120), (2, 1008729560), (4, 504364780), (5, 403491824), (8, 252182390), (10, 201745912), (16, 126091195), (20, 100872956), (40, 50436478), (41, 49206320), (80, 25218239), (82, 24603160), (89, 22668080), (164, 12301580), (178, 11334040), (205, 9841264), (328, 6150790), (356, 5667020), (410, 4920632), (445, 4533616), (656, 3075395), (712, 2833510), (820, 2460316), (890, 2266808), (1424, 1416755), (1640, 1230158), (1780, 1133404), (3280, 615079), (3560, 566702), (3649, 552880), (6911, 291920), (7120, 283351), (7298, 276440), (13822, 145960), (14596, 138220), (18245, 110576), (27644, 72980), (29192, 69110), (34555, 58384), (36490, 55288)]