248796560

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{12101}}^1$

素因数の和:12371

約数の個数: 40

約数和(自身を含む): 580750776

約数和(自身を除く): 331954216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 4112, 5140, 10280, 12101, 20560, 24202, 48404, 60505, 96808, 121010, 193616, 242020, 484040, 968080, 3109957, 6219914, 12439828, 15549785, 24879656, 31099570, 49759312, 62199140, 124398280, 248796560]

約数ペア:

[(1, 248796560), (2, 124398280), (4, 62199140), (5, 49759312), (8, 31099570), (10, 24879656), (16, 15549785), (20, 12439828), (40, 6219914), (80, 3109957), (257, 968080), (514, 484040), (1028, 242020), (1285, 193616), (2056, 121010), (2570, 96808), (4112, 60505), (5140, 48404), (10280, 24202), (12101, 20560)]