26834920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{401}}^1$

素因数の和:658

約数の個数: 64

約数和(自身を含む): 69465600

約数和(自身を除く): 42630680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 401, 478, 802, 956, 1195, 1604, 1673, 1912, 2005, 2390, 2807, 3208, 3346, 4010, 4780, 5614, 6692, 8020, 8365, 9560, 11228, 13384, 14035, 16040, 16730, 22456, 28070, 33460, 56140, 66920, 95839, 112280, 191678, 383356, 479195, 670873, 766712, 958390, 1341746, 1916780, 2683492, 3354365, 3833560, 5366984, 6708730, 13417460, 26834920]

約数ペア:

[(1, 26834920), (2, 13417460), (4, 6708730), (5, 5366984), (7, 3833560), (8, 3354365), (10, 2683492), (14, 1916780), (20, 1341746), (28, 958390), (35, 766712), (40, 670873), (56, 479195), (70, 383356), (140, 191678), (239, 112280), (280, 95839), (401, 66920), (478, 56140), (802, 33460), (956, 28070), (1195, 22456), (1604, 16730), (1673, 16040), (1912, 14035), (2005, 13384), (2390, 11228), (2807, 9560), (3208, 8365), (3346, 8020), (4010, 6692), (4780, 5614)]