401876620

素因数分解:

$2^2\times 5^1\times {\mathrm{1487}}^1\times {\mathrm{13513}}^1$

素因数の和:15009

約数の個数: 24

約数和(自身を含む): 844570944

約数和(自身を除く): 442694324

約数列:

[1, 2, 4, 5, 10, 20, 1487, 2974, 5948, 7435, 13513, 14870, 27026, 29740, 54052, 67565, 135130, 270260, 20093831, 40187662, 80375324, 100469155, 200938310, 401876620]

約数ペア:

[(1, 401876620), (2, 200938310), (4, 100469155), (5, 80375324), (10, 40187662), (20, 20093831), (1487, 270260), (2974, 135130), (5948, 67565), (7435, 54052), (13513, 29740), (14870, 27026)]