201549640

素因数分解:

$2^3\times 5^1\times {\mathrm{911}}^1\times {\mathrm{5531}}^1$

素因数の和:6453

約数の個数: 32

約数和(自身を含む): 454066560

約数和(自身を除く): 252516920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 911, 1822, 3644, 4555, 5531, 7288, 9110, 11062, 18220, 22124, 27655, 36440, 44248, 55310, 110620, 221240, 5038741, 10077482, 20154964, 25193705, 40309928, 50387410, 100774820, 201549640]

約数ペア:

[(1, 201549640), (2, 100774820), (4, 50387410), (5, 40309928), (8, 25193705), (10, 20154964), (20, 10077482), (40, 5038741), (911, 221240), (1822, 110620), (3644, 55310), (4555, 44248), (5531, 36440), (7288, 27655), (9110, 22124), (11062, 18220)]