82196840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2099}}^1$

素因数の和:2210

約数の個数: 64

約数和(自身を含む): 204120000

約数和(自身を除く): 121923160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1780, 1958, 2099, 3560, 3916, 4198, 4895, 7832, 8396, 9790, 10495, 16792, 19580, 20990, 23089, 39160, 41980, 46178, 83960, 92356, 115445, 184712, 186811, 230890, 373622, 461780, 747244, 923560, 934055, 1494488, 1868110, 2054921, 3736220, 4109842, 7472440, 8219684, 10274605, 16439368, 20549210, 41098420, 82196840]

約数ペア:

[(1, 82196840), (2, 41098420), (4, 20549210), (5, 16439368), (8, 10274605), (10, 8219684), (11, 7472440), (20, 4109842), (22, 3736220), (40, 2054921), (44, 1868110), (55, 1494488), (88, 934055), (89, 923560), (110, 747244), (178, 461780), (220, 373622), (356, 230890), (440, 186811), (445, 184712), (712, 115445), (890, 92356), (979, 83960), (1780, 46178), (1958, 41980), (2099, 39160), (3560, 23089), (3916, 20990), (4198, 19580), (4895, 16792), (7832, 10495), (8396, 9790)]