8265880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 21695040

約数和(自身を除く): 13429160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 557, 742, 1060, 1114, 1484, 1855, 2120, 2228, 2785, 2968, 3710, 3899, 4456, 5570, 7420, 7798, 11140, 14840, 15596, 19495, 22280, 29521, 31192, 38990, 59042, 77980, 118084, 147605, 155960, 206647, 236168, 295210, 413294, 590420, 826588, 1033235, 1180840, 1653176, 2066470, 4132940, 8265880]

約数ペア:

[(1, 8265880), (2, 4132940), (4, 2066470), (5, 1653176), (7, 1180840), (8, 1033235), (10, 826588), (14, 590420), (20, 413294), (28, 295210), (35, 236168), (40, 206647), (53, 155960), (56, 147605), (70, 118084), (106, 77980), (140, 59042), (212, 38990), (265, 31192), (280, 29521), (371, 22280), (424, 19495), (530, 15596), (557, 14840), (742, 11140), (1060, 7798), (1114, 7420), (1484, 5570), (1855, 4456), (2120, 3899), (2228, 3710), (2785, 2968)]