18050560

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1$

素因数の和:675

約数の個数: 80

約数和(自身を含む): 47287152

約数和(自身を除く): 29236592

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 641, 704, 880, 1280, 1282, 1408, 1760, 2560, 2564, 2816, 3205, 3520, 5128, 5632, 6410, 7040, 7051, 10256, 12820, 14080, 14102, 20512, 25640, 28160, 28204, 35255, 41024, 51280, 56408, 70510, 82048, 102560, 112816, 141020, 164096, 205120, 225632, 282040, 328192, 410240, 451264, 564080, 820480, 902528, 1128160, 1640960, 1805056, 2256320, 3610112, 4512640, 9025280, 18050560]

約数ペア:

[(1, 18050560), (2, 9025280), (4, 4512640), (5, 3610112), (8, 2256320), (10, 1805056), (11, 1640960), (16, 1128160), (20, 902528), (22, 820480), (32, 564080), (40, 451264), (44, 410240), (55, 328192), (64, 282040), (80, 225632), (88, 205120), (110, 164096), (128, 141020), (160, 112816), (176, 102560), (220, 82048), (256, 70510), (320, 56408), (352, 51280), (440, 41024), (512, 35255), (640, 28204), (641, 28160), (704, 25640), (880, 20512), (1280, 14102), (1282, 14080), (1408, 12820), (1760, 10256), (2560, 7051), (2564, 7040), (2816, 6410), (3205, 5632), (3520, 5128)]