51155440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{547}}^1$

素因数の和:734

約数の個数: 80

約数和(自身を含む): 136991232

約数和(自身を除く): 85835792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 167, 280, 334, 547, 560, 668, 835, 1094, 1169, 1336, 1670, 2188, 2338, 2672, 2735, 3340, 3829, 4376, 4676, 5470, 5845, 6680, 7658, 8752, 9352, 10940, 11690, 13360, 15316, 18704, 19145, 21880, 23380, 30632, 38290, 43760, 46760, 61264, 76580, 91349, 93520, 153160, 182698, 306320, 365396, 456745, 639443, 730792, 913490, 1278886, 1461584, 1826980, 2557772, 3197215, 3653960, 5115544, 6394430, 7307920, 10231088, 12788860, 25577720, 51155440]

約数ペア:

[(1, 51155440), (2, 25577720), (4, 12788860), (5, 10231088), (7, 7307920), (8, 6394430), (10, 5115544), (14, 3653960), (16, 3197215), (20, 2557772), (28, 1826980), (35, 1461584), (40, 1278886), (56, 913490), (70, 730792), (80, 639443), (112, 456745), (140, 365396), (167, 306320), (280, 182698), (334, 153160), (547, 93520), (560, 91349), (668, 76580), (835, 61264), (1094, 46760), (1169, 43760), (1336, 38290), (1670, 30632), (2188, 23380), (2338, 21880), (2672, 19145), (2735, 18704), (3340, 15316), (3829, 13360), (4376, 11690), (4676, 10940), (5470, 9352), (5845, 8752), (6680, 7658)]