221821312640

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4881631}}^1$

素因数の和:4881721

約数の個数: 64

約数和(自身を含む): 537760581120

約数和(自身を除く): 315939268480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 640, 710, 1136, 1420, 2272, 2840, 4544, 5680, 9088, 11360, 22720, 45440, 4881631, 9763262, 19526524, 24408155, 39053048, 48816310, 78106096, 97632620, 156212192, 195265240, 312424384, 346595801, 390530480, 624848768, 693191602, 781060960, 1386383204, 1562121920, 1732979005, 2772766408, 3124243840, 3465958010, 5545532816, 6931916020, 11091065632, 13863832040, 22182131264, 27727664080, 44364262528, 55455328160, 110910656320, 221821312640]

約数ペア:

[(1, 221821312640), (2, 110910656320), (4, 55455328160), (5, 44364262528), (8, 27727664080), (10, 22182131264), (16, 13863832040), (20, 11091065632), (32, 6931916020), (40, 5545532816), (64, 3465958010), (71, 3124243840), (80, 2772766408), (128, 1732979005), (142, 1562121920), (160, 1386383204), (284, 781060960), (320, 693191602), (355, 624848768), (568, 390530480), (640, 346595801), (710, 312424384), (1136, 195265240), (1420, 156212192), (2272, 97632620), (2840, 78106096), (4544, 48816310), (5680, 39053048), (9088, 24408155), (11360, 19526524), (22720, 9763262), (45440, 4881631)]