17781920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:214

約数の個数: 96

約数和(自身を含む): 46230912

約数和(自身を除く): 28448992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 83, 103, 104, 130, 160, 166, 206, 208, 260, 332, 412, 415, 416, 515, 520, 664, 824, 830, 1030, 1040, 1079, 1328, 1339, 1648, 1660, 2060, 2080, 2158, 2656, 2678, 3296, 3320, 4120, 4316, 5356, 5395, 6640, 6695, 8240, 8549, 8632, 10712, 10790, 13280, 13390, 16480, 17098, 17264, 21424, 21580, 26780, 34196, 34528, 42745, 42848, 43160, 53560, 68392, 85490, 86320, 107120, 111137, 136784, 170980, 172640, 214240, 222274, 273568, 341960, 444548, 555685, 683920, 889096, 1111370, 1367840, 1778192, 2222740, 3556384, 4445480, 8890960, 17781920]

約数ペア:

[(1, 17781920), (2, 8890960), (4, 4445480), (5, 3556384), (8, 2222740), (10, 1778192), (13, 1367840), (16, 1111370), (20, 889096), (26, 683920), (32, 555685), (40, 444548), (52, 341960), (65, 273568), (80, 222274), (83, 214240), (103, 172640), (104, 170980), (130, 136784), (160, 111137), (166, 107120), (206, 86320), (208, 85490), (260, 68392), (332, 53560), (412, 43160), (415, 42848), (416, 42745), (515, 34528), (520, 34196), (664, 26780), (824, 21580), (830, 21424), (1030, 17264), (1040, 17098), (1079, 16480), (1328, 13390), (1339, 13280), (1648, 10790), (1660, 10712), (2060, 8632), (2080, 8549), (2158, 8240), (2656, 6695), (2678, 6640), (3296, 5395), (3320, 5356), (4120, 4316)]