20405721050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{26183}}^1$

素因数の和:26328

約数の個数: 96

約数和(自身を含む): 45000869760

約数和(自身を除く): 24595148710

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 109, 110, 130, 143, 218, 275, 286, 325, 545, 550, 650, 715, 1090, 1199, 1417, 1430, 2398, 2725, 2834, 3575, 5450, 5995, 7085, 7150, 11990, 14170, 15587, 26183, 29975, 31174, 35425, 52366, 59950, 70850, 77935, 130915, 155870, 261830, 288013, 340379, 389675, 576026, 654575, 680758, 779350, 1309150, 1440065, 1701895, 2853947, 2880130, 3403790, 3744169, 5707894, 7200325, 7488338, 8509475, 14269735, 14400650, 17018950, 18720845, 28539470, 31393417, 37101311, 37441690, 62786834, 71348675, 74202622, 93604225, 142697350, 156967085, 185506555, 187208450, 313934170, 371013110, 408114421, 784835425, 816228842, 927532775, 1569670850, 1855065550, 2040572105, 4081144210, 10202860525, 20405721050]

約数ペア:

[(1, 20405721050), (2, 10202860525), (5, 4081144210), (10, 2040572105), (11, 1855065550), (13, 1569670850), (22, 927532775), (25, 816228842), (26, 784835425), (50, 408114421), (55, 371013110), (65, 313934170), (109, 187208450), (110, 185506555), (130, 156967085), (143, 142697350), (218, 93604225), (275, 74202622), (286, 71348675), (325, 62786834), (545, 37441690), (550, 37101311), (650, 31393417), (715, 28539470), (1090, 18720845), (1199, 17018950), (1417, 14400650), (1430, 14269735), (2398, 8509475), (2725, 7488338), (2834, 7200325), (3575, 5707894), (5450, 3744169), (5995, 3403790), (7085, 2880130), (7150, 2853947), (11990, 1701895), (14170, 1440065), (15587, 1309150), (26183, 779350), (29975, 680758), (31174, 654575), (35425, 576026), (52366, 389675), (59950, 340379), (70850, 288013), (77935, 261830), (130915, 155870)]