51965440

素因数分解:

$2^9\times 5^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:459

約数の個数: 80

約数和(自身を含む): 127277568

約数和(自身を除く): 75312128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 383, 424, 512, 530, 640, 766, 848, 1060, 1280, 1532, 1696, 1915, 2120, 2560, 3064, 3392, 3830, 4240, 6128, 6784, 7660, 8480, 12256, 13568, 15320, 16960, 20299, 24512, 27136, 30640, 33920, 40598, 49024, 61280, 67840, 81196, 98048, 101495, 122560, 135680, 162392, 196096, 202990, 245120, 324784, 405980, 490240, 649568, 811960, 980480, 1299136, 1623920, 2598272, 3247840, 5196544, 6495680, 10393088, 12991360, 25982720, 51965440]

約数ペア:

[(1, 51965440), (2, 25982720), (4, 12991360), (5, 10393088), (8, 6495680), (10, 5196544), (16, 3247840), (20, 2598272), (32, 1623920), (40, 1299136), (53, 980480), (64, 811960), (80, 649568), (106, 490240), (128, 405980), (160, 324784), (212, 245120), (256, 202990), (265, 196096), (320, 162392), (383, 135680), (424, 122560), (512, 101495), (530, 98048), (640, 81196), (766, 67840), (848, 61280), (1060, 49024), (1280, 40598), (1532, 33920), (1696, 30640), (1915, 27136), (2120, 24512), (2560, 20299), (3064, 16960), (3392, 15320), (3830, 13568), (4240, 12256), (6128, 8480), (6784, 7660)]