51465440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:364

約数の個数: 96

約数和(自身を含む): 132723360

約数和(自身を除く): 81257920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 109, 130, 160, 208, 218, 227, 260, 416, 436, 454, 520, 545, 872, 908, 1040, 1090, 1135, 1417, 1744, 1816, 2080, 2180, 2270, 2834, 2951, 3488, 3632, 4360, 4540, 5668, 5902, 7085, 7264, 8720, 9080, 11336, 11804, 14170, 14755, 17440, 18160, 22672, 23608, 24743, 28340, 29510, 36320, 45344, 47216, 49486, 56680, 59020, 94432, 98972, 113360, 118040, 123715, 197944, 226720, 236080, 247430, 321659, 395888, 472160, 494860, 643318, 791776, 989720, 1286636, 1608295, 1979440, 2573272, 3216590, 3958880, 5146544, 6433180, 10293088, 12866360, 25732720, 51465440]

約数ペア:

[(1, 51465440), (2, 25732720), (4, 12866360), (5, 10293088), (8, 6433180), (10, 5146544), (13, 3958880), (16, 3216590), (20, 2573272), (26, 1979440), (32, 1608295), (40, 1286636), (52, 989720), (65, 791776), (80, 643318), (104, 494860), (109, 472160), (130, 395888), (160, 321659), (208, 247430), (218, 236080), (227, 226720), (260, 197944), (416, 123715), (436, 118040), (454, 113360), (520, 98972), (545, 94432), (872, 59020), (908, 56680), (1040, 49486), (1090, 47216), (1135, 45344), (1417, 36320), (1744, 29510), (1816, 28340), (2080, 24743), (2180, 23608), (2270, 22672), (2834, 18160), (2951, 17440), (3488, 14755), (3632, 14170), (4360, 11804), (4540, 11336), (5668, 9080), (5902, 8720), (7085, 7264)]