4512640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1$

素因数の和:671

約数の個数: 64

約数和(自身を含む): 11787120

約数和(自身を除く): 7274480

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, 320, 352, 440, 640, 641, 704, 880, 1282, 1408, 1760, 2564, 3205, 3520, 5128, 6410, 7040, 7051, 10256, 12820, 14102, 20512, 25640, 28204, 35255, 41024, 51280, 56408, 70510, 82048, 102560, 112816, 141020, 205120, 225632, 282040, 410240, 451264, 564080, 902528, 1128160, 2256320, 4512640]

約数ペア:

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