40208980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5419}}^1$

素因数の和:5488

約数の個数: 48

約数和(自身を含む): 98340480

約数和(自身を除く): 58131500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 5419, 7420, 10838, 21676, 27095, 37933, 54190, 75866, 108380, 151732, 189665, 287207, 379330, 574414, 758660, 1148828, 1436035, 2010449, 2872070, 4020898, 5744140, 8041796, 10052245, 20104490, 40208980]

約数ペア:

[(1, 40208980), (2, 20104490), (4, 10052245), (5, 8041796), (7, 5744140), (10, 4020898), (14, 2872070), (20, 2010449), (28, 1436035), (35, 1148828), (53, 758660), (70, 574414), (106, 379330), (140, 287207), (212, 189665), (265, 151732), (371, 108380), (530, 75866), (742, 54190), (1060, 37933), (1484, 27095), (1855, 21676), (3710, 10838), (5419, 7420)]