11555440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 29748096

約数和(自身を除く): 18192656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 271, 328, 410, 520, 533, 542, 656, 820, 1040, 1066, 1084, 1355, 1640, 2132, 2168, 2665, 2710, 3280, 3523, 4264, 4336, 5330, 5420, 7046, 8528, 10660, 10840, 11111, 14092, 17615, 21320, 21680, 22222, 28184, 35230, 42640, 44444, 55555, 56368, 70460, 88888, 111110, 140920, 144443, 177776, 222220, 281840, 288886, 444440, 577772, 722215, 888880, 1155544, 1444430, 2311088, 2888860, 5777720, 11555440]

約数ペア:

[(1, 11555440), (2, 5777720), (4, 2888860), (5, 2311088), (8, 1444430), (10, 1155544), (13, 888880), (16, 722215), (20, 577772), (26, 444440), (40, 288886), (41, 281840), (52, 222220), (65, 177776), (80, 144443), (82, 140920), (104, 111110), (130, 88888), (164, 70460), (205, 56368), (208, 55555), (260, 44444), (271, 42640), (328, 35230), (410, 28184), (520, 22222), (533, 21680), (542, 21320), (656, 17615), (820, 14092), (1040, 11111), (1066, 10840), (1084, 10660), (1355, 8528), (1640, 7046), (2132, 5420), (2168, 5330), (2665, 4336), (2710, 4264), (3280, 3523)]