51535840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18947}}^1$

素因数の和:18979

約数の個数: 48

約数和(自身を含む): 128922192

約数和(自身を除く): 77386352

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 18947, 37894, 75788, 94735, 151576, 189470, 303152, 322099, 378940, 606304, 644198, 757880, 1288396, 1515760, 1610495, 2576792, 3031520, 3220990, 5153584, 6441980, 10307168, 12883960, 25767920, 51535840]

約数ペア:

[(1, 51535840), (2, 25767920), (4, 12883960), (5, 10307168), (8, 6441980), (10, 5153584), (16, 3220990), (17, 3031520), (20, 2576792), (32, 1610495), (34, 1515760), (40, 1288396), (68, 757880), (80, 644198), (85, 606304), (136, 378940), (160, 322099), (170, 303152), (272, 189470), (340, 151576), (544, 94735), (680, 75788), (1360, 37894), (2720, 18947)]