26980520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{577}}^1$

素因数の和:762

約数の個数: 64

約数和(自身を含む): 69914880

約数和(自身を除く): 42934360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 167, 280, 334, 577, 668, 835, 1154, 1169, 1336, 1670, 2308, 2338, 2885, 3340, 4039, 4616, 4676, 5770, 5845, 6680, 8078, 9352, 11540, 11690, 16156, 20195, 23080, 23380, 32312, 40390, 46760, 80780, 96359, 161560, 192718, 385436, 481795, 674513, 770872, 963590, 1349026, 1927180, 2698052, 3372565, 3854360, 5396104, 6745130, 13490260, 26980520]

約数ペア:

[(1, 26980520), (2, 13490260), (4, 6745130), (5, 5396104), (7, 3854360), (8, 3372565), (10, 2698052), (14, 1927180), (20, 1349026), (28, 963590), (35, 770872), (40, 674513), (56, 481795), (70, 385436), (140, 192718), (167, 161560), (280, 96359), (334, 80780), (577, 46760), (668, 40390), (835, 32312), (1154, 23380), (1169, 23080), (1336, 20195), (1670, 16156), (2308, 11690), (2338, 11540), (2885, 9352), (3340, 8078), (4039, 6680), (4616, 5845), (4676, 5770)]