16393960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:131

約数の個数: 128

約数和(自身を含む): 44323200

約数和(自身を除く): 27929240

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 37, 38, 40, 44, 53, 55, 74, 76, 88, 95, 106, 110, 148, 152, 185, 190, 209, 212, 220, 265, 296, 370, 380, 407, 418, 424, 440, 530, 583, 703, 740, 760, 814, 836, 1007, 1045, 1060, 1166, 1406, 1480, 1628, 1672, 1961, 2014, 2035, 2090, 2120, 2332, 2812, 2915, 3256, 3515, 3922, 4028, 4070, 4180, 4664, 5035, 5624, 5830, 7030, 7733, 7844, 8056, 8140, 8360, 9805, 10070, 11077, 11660, 14060, 15466, 15688, 16280, 19610, 20140, 21571, 22154, 23320, 28120, 30932, 37259, 38665, 39220, 40280, 43142, 44308, 55385, 61864, 74518, 77330, 78440, 86284, 88616, 107855, 110770, 149036, 154660, 172568, 186295, 215710, 221540, 298072, 309320, 372590, 409849, 431420, 443080, 745180, 819698, 862840, 1490360, 1639396, 2049245, 3278792, 4098490, 8196980, 16393960]

約数ペア:

[(1, 16393960), (2, 8196980), (4, 4098490), (5, 3278792), (8, 2049245), (10, 1639396), (11, 1490360), (19, 862840), (20, 819698), (22, 745180), (37, 443080), (38, 431420), (40, 409849), (44, 372590), (53, 309320), (55, 298072), (74, 221540), (76, 215710), (88, 186295), (95, 172568), (106, 154660), (110, 149036), (148, 110770), (152, 107855), (185, 88616), (190, 86284), (209, 78440), (212, 77330), (220, 74518), (265, 61864), (296, 55385), (370, 44308), (380, 43142), (407, 40280), (418, 39220), (424, 38665), (440, 37259), (530, 30932), (583, 28120), (703, 23320), (740, 22154), (760, 21571), (814, 20140), (836, 19610), (1007, 16280), (1045, 15688), (1060, 15466), (1166, 14060), (1406, 11660), (1480, 11077), (1628, 10070), (1672, 9805), (1961, 8360), (2014, 8140), (2035, 8056), (2090, 7844), (2120, 7733), (2332, 7030), (2812, 5830), (2915, 5624), (3256, 5035), (3515, 4664), (3922, 4180), (4028, 4070)]