26778920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1621}}^1$

素因数の和:1698

約数の個数: 64

約数和(自身を含む): 70070400

約数和(自身を除く): 43291480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 236, 280, 295, 413, 472, 590, 826, 1180, 1621, 1652, 2065, 2360, 3242, 3304, 4130, 6484, 8105, 8260, 11347, 12968, 16210, 16520, 22694, 32420, 45388, 56735, 64840, 90776, 95639, 113470, 191278, 226940, 382556, 453880, 478195, 669473, 765112, 956390, 1338946, 1912780, 2677892, 3347365, 3825560, 5355784, 6694730, 13389460, 26778920]

約数ペア:

[(1, 26778920), (2, 13389460), (4, 6694730), (5, 5355784), (7, 3825560), (8, 3347365), (10, 2677892), (14, 1912780), (20, 1338946), (28, 956390), (35, 765112), (40, 669473), (56, 478195), (59, 453880), (70, 382556), (118, 226940), (140, 191278), (236, 113470), (280, 95639), (295, 90776), (413, 64840), (472, 56735), (590, 45388), (826, 32420), (1180, 22694), (1621, 16520), (1652, 16210), (2065, 12968), (2360, 11347), (3242, 8260), (3304, 8105), (4130, 6484)]