49806640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{577}}^1$

素因数の和:686

約数の個数: 80

約数和(自身を含む): 126429408

約数和(自身を除く): 76622768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 83, 104, 130, 166, 208, 260, 332, 415, 520, 577, 664, 830, 1040, 1079, 1154, 1328, 1660, 2158, 2308, 2885, 3320, 4316, 4616, 5395, 5770, 6640, 7501, 8632, 9232, 10790, 11540, 15002, 17264, 21580, 23080, 30004, 37505, 43160, 46160, 47891, 60008, 75010, 86320, 95782, 120016, 150020, 191564, 239455, 300040, 383128, 478910, 600080, 622583, 766256, 957820, 1245166, 1915640, 2490332, 3112915, 3831280, 4980664, 6225830, 9961328, 12451660, 24903320, 49806640]

約数ペア:

[(1, 49806640), (2, 24903320), (4, 12451660), (5, 9961328), (8, 6225830), (10, 4980664), (13, 3831280), (16, 3112915), (20, 2490332), (26, 1915640), (40, 1245166), (52, 957820), (65, 766256), (80, 622583), (83, 600080), (104, 478910), (130, 383128), (166, 300040), (208, 239455), (260, 191564), (332, 150020), (415, 120016), (520, 95782), (577, 86320), (664, 75010), (830, 60008), (1040, 47891), (1079, 46160), (1154, 43160), (1328, 37505), (1660, 30004), (2158, 23080), (2308, 21580), (2885, 17264), (3320, 15002), (4316, 11540), (4616, 10790), (5395, 9232), (5770, 8632), (6640, 7501)]