8112440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{4139}}^1$

素因数の和:4164

約数の個数: 48

約数和(自身を含む): 21238200

約数和(自身を除く): 13125760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 4139, 8278, 16556, 20695, 28973, 33112, 41390, 57946, 82780, 115892, 144865, 165560, 202811, 231784, 289730, 405622, 579460, 811244, 1014055, 1158920, 1622488, 2028110, 4056220, 8112440]

約数ペア:

[(1, 8112440), (2, 4056220), (4, 2028110), (5, 1622488), (7, 1158920), (8, 1014055), (10, 811244), (14, 579460), (20, 405622), (28, 289730), (35, 231784), (40, 202811), (49, 165560), (56, 144865), (70, 115892), (98, 82780), (140, 57946), (196, 41390), (245, 33112), (280, 28973), (392, 20695), (490, 16556), (980, 8278), (1960, 4139)]