201617840

素因数分解:

$2^4\times 5^1\times {\mathrm{1549}}^1\times {\mathrm{1627}}^1$

素因数の和:3189

約数の個数: 40

約数和(自身を含む): 469352400

約数和(自身を除く): 267734560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1549, 1627, 3098, 3254, 6196, 6508, 7745, 8135, 12392, 13016, 15490, 16270, 24784, 26032, 30980, 32540, 61960, 65080, 123920, 130160, 2520223, 5040446, 10080892, 12601115, 20161784, 25202230, 40323568, 50404460, 100808920, 201617840]

約数ペア:

[(1, 201617840), (2, 100808920), (4, 50404460), (5, 40323568), (8, 25202230), (10, 20161784), (16, 12601115), (20, 10080892), (40, 5040446), (80, 2520223), (1549, 130160), (1627, 123920), (3098, 65080), (3254, 61960), (6196, 32540), (6508, 30980), (7745, 26032), (8135, 24784), (12392, 16270), (13016, 15490)]