258236480

素因数分解:

$2^6\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1543}}^1$

素因数の和:2083

約数の個数: 56

約数和(自身を含む): 616500672

約数和(自身を除く): 358264192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 523, 1046, 1543, 2092, 2615, 3086, 4184, 5230, 6172, 7715, 8368, 10460, 12344, 15430, 16736, 20920, 24688, 30860, 33472, 41840, 49376, 61720, 83680, 98752, 123440, 167360, 246880, 493760, 806989, 1613978, 3227956, 4034945, 6455912, 8069890, 12911824, 16139780, 25823648, 32279560, 51647296, 64559120, 129118240, 258236480]

約数ペア:

[(1, 258236480), (2, 129118240), (4, 64559120), (5, 51647296), (8, 32279560), (10, 25823648), (16, 16139780), (20, 12911824), (32, 8069890), (40, 6455912), (64, 4034945), (80, 3227956), (160, 1613978), (320, 806989), (523, 493760), (1046, 246880), (1543, 167360), (2092, 123440), (2615, 98752), (3086, 83680), (4184, 61720), (5230, 49376), (6172, 41840), (7715, 33472), (8368, 30860), (10460, 24688), (12344, 20920), (15430, 16736)]