11180180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{571}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 25945920

約数和(自身を除く): 14765740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 571, 890, 979, 1142, 1780, 1958, 2284, 2855, 3916, 4895, 5710, 6281, 9790, 11420, 12562, 19580, 25124, 31405, 50819, 62810, 101638, 125620, 203276, 254095, 508190, 559009, 1016380, 1118018, 2236036, 2795045, 5590090, 11180180]

約数ペア:

[(1, 11180180), (2, 5590090), (4, 2795045), (5, 2236036), (10, 1118018), (11, 1016380), (20, 559009), (22, 508190), (44, 254095), (55, 203276), (89, 125620), (110, 101638), (178, 62810), (220, 50819), (356, 31405), (445, 25124), (571, 19580), (890, 12562), (979, 11420), (1142, 9790), (1780, 6281), (1958, 5710), (2284, 4895), (2855, 3916)]