28537840

素因数分解:

$2^4\times 5^1\times {\mathrm{233}}^1\times {\mathrm{1531}}^1$

素因数の和:1777

約数の個数: 40

約数和(自身を含む): 66678768

約数和(自身を除く): 38140928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 233, 466, 932, 1165, 1531, 1864, 2330, 3062, 3728, 4660, 6124, 7655, 9320, 12248, 15310, 18640, 24496, 30620, 61240, 122480, 356723, 713446, 1426892, 1783615, 2853784, 3567230, 5707568, 7134460, 14268920, 28537840]

約数ペア:

[(1, 28537840), (2, 14268920), (4, 7134460), (5, 5707568), (8, 3567230), (10, 2853784), (16, 1783615), (20, 1426892), (40, 713446), (80, 356723), (233, 122480), (466, 61240), (932, 30620), (1165, 24496), (1531, 18640), (1864, 15310), (2330, 12248), (3062, 9320), (3728, 7655), (4660, 6124)]