2070640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 5687136

約数和(自身を除く): 3616496

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 181, 208, 220, 260, 286, 362, 440, 520, 572, 715, 724, 880, 905, 1040, 1144, 1430, 1448, 1810, 1991, 2288, 2353, 2860, 2896, 3620, 3982, 4706, 5720, 7240, 7964, 9412, 9955, 11440, 11765, 14480, 15928, 18824, 19910, 23530, 25883, 31856, 37648, 39820, 47060, 51766, 79640, 94120, 103532, 129415, 159280, 188240, 207064, 258830, 414128, 517660, 1035320, 2070640]

約数ペア:

[(1, 2070640), (2, 1035320), (4, 517660), (5, 414128), (8, 258830), (10, 207064), (11, 188240), (13, 159280), (16, 129415), (20, 103532), (22, 94120), (26, 79640), (40, 51766), (44, 47060), (52, 39820), (55, 37648), (65, 31856), (80, 25883), (88, 23530), (104, 19910), (110, 18824), (130, 15928), (143, 14480), (176, 11765), (181, 11440), (208, 9955), (220, 9412), (260, 7964), (286, 7240), (362, 5720), (440, 4706), (520, 3982), (572, 3620), (715, 2896), (724, 2860), (880, 2353), (905, 2288), (1040, 1991), (1144, 1810), (1430, 1448)]