2017883920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{4481}}^1$

素因数の和:4940

約数の個数: 80

約数和(自身を含む): 5065269552

約数和(自身を除く): 3047385632

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 433, 520, 866, 1040, 1732, 2165, 3464, 4330, 4481, 5629, 6928, 8660, 8962, 11258, 17320, 17924, 22405, 22516, 28145, 34640, 35848, 44810, 45032, 56290, 58253, 71696, 89620, 90064, 112580, 116506, 179240, 225160, 233012, 291265, 358480, 450320, 466024, 582530, 932048, 1165060, 1940273, 2330120, 3880546, 4660240, 7761092, 9701365, 15522184, 19402730, 25223549, 31044368, 38805460, 50447098, 77610920, 100894196, 126117745, 155221840, 201788392, 252235490, 403576784, 504470980, 1008941960, 2017883920]

約数ペア:

[(1, 2017883920), (2, 1008941960), (4, 504470980), (5, 403576784), (8, 252235490), (10, 201788392), (13, 155221840), (16, 126117745), (20, 100894196), (26, 77610920), (40, 50447098), (52, 38805460), (65, 31044368), (80, 25223549), (104, 19402730), (130, 15522184), (208, 9701365), (260, 7761092), (433, 4660240), (520, 3880546), (866, 2330120), (1040, 1940273), (1732, 1165060), (2165, 932048), (3464, 582530), (4330, 466024), (4481, 450320), (5629, 358480), (6928, 291265), (8660, 233012), (8962, 225160), (11258, 179240), (17320, 116506), (17924, 112580), (22405, 90064), (22516, 89620), (28145, 71696), (34640, 58253), (35848, 56290), (44810, 45032)]