80773840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1487}}^1$

素因数の和:1604

約数の個数: 80

約数和(自身を含む): 216986112

約数和(自身を除く): 136212272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 280, 388, 485, 560, 679, 776, 970, 1358, 1487, 1552, 1940, 2716, 2974, 3395, 3880, 5432, 5948, 6790, 7435, 7760, 10409, 10864, 11896, 13580, 14870, 20818, 23792, 27160, 29740, 41636, 52045, 54320, 59480, 83272, 104090, 118960, 144239, 166544, 208180, 288478, 416360, 576956, 721195, 832720, 1009673, 1153912, 1442390, 2019346, 2307824, 2884780, 4038692, 5048365, 5769560, 8077384, 10096730, 11539120, 16154768, 20193460, 40386920, 80773840]

約数ペア:

[(1, 80773840), (2, 40386920), (4, 20193460), (5, 16154768), (7, 11539120), (8, 10096730), (10, 8077384), (14, 5769560), (16, 5048365), (20, 4038692), (28, 2884780), (35, 2307824), (40, 2019346), (56, 1442390), (70, 1153912), (80, 1009673), (97, 832720), (112, 721195), (140, 576956), (194, 416360), (280, 288478), (388, 208180), (485, 166544), (560, 144239), (679, 118960), (776, 104090), (970, 83272), (1358, 59480), (1487, 54320), (1552, 52045), (1940, 41636), (2716, 29740), (2974, 27160), (3395, 23792), (3880, 20818), (5432, 14870), (5948, 13580), (6790, 11896), (7435, 10864), (7760, 10409)]