26280380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6473}}^1$

素因数の和:6518

約数の個数: 48

約数和(自身を含む): 65257920

約数和(自身を除く): 38977540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 6473, 12946, 25892, 32365, 45311, 64730, 90622, 129460, 181244, 187717, 226555, 375434, 453110, 750868, 906220, 938585, 1314019, 1877170, 2628038, 3754340, 5256076, 6570095, 13140190, 26280380]

約数ペア:

[(1, 26280380), (2, 13140190), (4, 6570095), (5, 5256076), (7, 3754340), (10, 2628038), (14, 1877170), (20, 1314019), (28, 938585), (29, 906220), (35, 750868), (58, 453110), (70, 375434), (116, 226555), (140, 187717), (145, 181244), (203, 129460), (290, 90622), (406, 64730), (580, 45311), (812, 32365), (1015, 25892), (2030, 12946), (4060, 6473)]