40217320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 128

約数和(自身を含む): 108864000

約数和(自身を除く): 68646680

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 79, 88, 89, 104, 110, 130, 143, 158, 178, 220, 260, 286, 316, 356, 395, 440, 445, 520, 572, 632, 712, 715, 790, 869, 890, 979, 1027, 1144, 1157, 1430, 1580, 1738, 1780, 1958, 2054, 2314, 2860, 3160, 3476, 3560, 3916, 4108, 4345, 4628, 4895, 5135, 5720, 5785, 6952, 7031, 7832, 8216, 8690, 9256, 9790, 10270, 11297, 11570, 12727, 14062, 17380, 19580, 20540, 22594, 23140, 25454, 28124, 34760, 35155, 39160, 41080, 45188, 46280, 50908, 56248, 56485, 63635, 70310, 77341, 90376, 91403, 101816, 112970, 127270, 140620, 154682, 182806, 225940, 254540, 281240, 309364, 365612, 386705, 451880, 457015, 509080, 618728, 731224, 773410, 914030, 1005433, 1546820, 1828060, 2010866, 3093640, 3656120, 4021732, 5027165, 8043464, 10054330, 20108660, 40217320]

約数ペア:

[(1, 40217320), (2, 20108660), (4, 10054330), (5, 8043464), (8, 5027165), (10, 4021732), (11, 3656120), (13, 3093640), (20, 2010866), (22, 1828060), (26, 1546820), (40, 1005433), (44, 914030), (52, 773410), (55, 731224), (65, 618728), (79, 509080), (88, 457015), (89, 451880), (104, 386705), (110, 365612), (130, 309364), (143, 281240), (158, 254540), (178, 225940), (220, 182806), (260, 154682), (286, 140620), (316, 127270), (356, 112970), (395, 101816), (440, 91403), (445, 90376), (520, 77341), (572, 70310), (632, 63635), (712, 56485), (715, 56248), (790, 50908), (869, 46280), (890, 45188), (979, 41080), (1027, 39160), (1144, 35155), (1157, 34760), (1430, 28124), (1580, 25454), (1738, 23140), (1780, 22594), (1958, 20540), (2054, 19580), (2314, 17380), (2860, 14062), (3160, 12727), (3476, 11570), (3560, 11297), (3916, 10270), (4108, 9790), (4345, 9256), (4628, 8690), (4895, 8216), (5135, 7832), (5720, 7031), (5785, 6952)]