390364160

素因数分解:

$2^{10}\times 5^1\times {\mathrm{76243}}^1$

素因数の和:76268

約数の個数: 44

約数和(自身を含む): 936428808

約数和(自身を除く): 546064648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 76243, 152486, 304972, 381215, 609944, 762430, 1219888, 1524860, 2439776, 3049720, 4879552, 6099440, 9759104, 12198880, 19518208, 24397760, 39036416, 48795520, 78072832, 97591040, 195182080, 390364160]

約数ペア:

[(1, 390364160), (2, 195182080), (4, 97591040), (5, 78072832), (8, 48795520), (10, 39036416), (16, 24397760), (20, 19518208), (32, 12198880), (40, 9759104), (64, 6099440), (80, 4879552), (128, 3049720), (160, 2439776), (256, 1524860), (320, 1219888), (512, 762430), (640, 609944), (1024, 381215), (1280, 304972), (2560, 152486), (5120, 76243)]