8196980

素因数分解:

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

素因数の和:129

約数の個数: 96

約数和(自身を含む): 20684160

約数和(自身を除く): 12487180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 37, 38, 44, 53, 55, 74, 76, 95, 106, 110, 148, 185, 190, 209, 212, 220, 265, 370, 380, 407, 418, 530, 583, 703, 740, 814, 836, 1007, 1045, 1060, 1166, 1406, 1628, 1961, 2014, 2035, 2090, 2332, 2812, 2915, 3515, 3922, 4028, 4070, 4180, 5035, 5830, 7030, 7733, 7844, 8140, 9805, 10070, 11077, 11660, 14060, 15466, 19610, 20140, 21571, 22154, 30932, 37259, 38665, 39220, 43142, 44308, 55385, 74518, 77330, 86284, 107855, 110770, 149036, 154660, 186295, 215710, 221540, 372590, 409849, 431420, 745180, 819698, 1639396, 2049245, 4098490, 8196980]

約数ペア:

[(1, 8196980), (2, 4098490), (4, 2049245), (5, 1639396), (10, 819698), (11, 745180), (19, 431420), (20, 409849), (22, 372590), (37, 221540), (38, 215710), (44, 186295), (53, 154660), (55, 149036), (74, 110770), (76, 107855), (95, 86284), (106, 77330), (110, 74518), (148, 55385), (185, 44308), (190, 43142), (209, 39220), (212, 38665), (220, 37259), (265, 30932), (370, 22154), (380, 21571), (407, 20140), (418, 19610), (530, 15466), (583, 14060), (703, 11660), (740, 11077), (814, 10070), (836, 9805), (1007, 8140), (1045, 7844), (1060, 7733), (1166, 7030), (1406, 5830), (1628, 5035), (1961, 4180), (2014, 4070), (2035, 4028), (2090, 3922), (2332, 3515), (2812, 2915)]