40052012

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1429}}^1$

素因数の和:1471

約数の個数: 72

約数和(自身を含む): 95855760

約数和(自身を除く): 55803748

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 182, 196, 286, 308, 364, 539, 572, 637, 1001, 1078, 1274, 1429, 2002, 2156, 2548, 2858, 4004, 5716, 7007, 10003, 14014, 15719, 18577, 20006, 28028, 31438, 37154, 40012, 62876, 70021, 74308, 110033, 130039, 140042, 204347, 220066, 260078, 280084, 408694, 440132, 520156, 770231, 817388, 910273, 1430429, 1540462, 1820546, 2860858, 3080924, 3641092, 5721716, 10013003, 20026006, 40052012]

約数ペア:

[(1, 40052012), (2, 20026006), (4, 10013003), (7, 5721716), (11, 3641092), (13, 3080924), (14, 2860858), (22, 1820546), (26, 1540462), (28, 1430429), (44, 910273), (49, 817388), (52, 770231), (77, 520156), (91, 440132), (98, 408694), (143, 280084), (154, 260078), (182, 220066), (196, 204347), (286, 140042), (308, 130039), (364, 110033), (539, 74308), (572, 70021), (637, 62876), (1001, 40012), (1078, 37154), (1274, 31438), (1429, 28028), (2002, 20006), (2156, 18577), (2548, 15719), (2858, 14014), (4004, 10003), (5716, 7007)]