80620540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4027}}^1$

素因数の和:4067

約数の個数: 96

約数和(自身を含む): 227372544

約数和(自身を除く): 146752004

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1430, 1540, 1820, 2002, 2860, 4004, 4027, 5005, 8054, 10010, 16108, 20020, 20135, 28189, 40270, 44297, 52351, 56378, 80540, 88594, 104702, 112756, 140945, 177188, 209404, 221485, 261755, 281890, 310079, 366457, 442970, 523510, 563780, 575861, 620158, 732914, 885940, 1047020, 1151722, 1240316, 1465828, 1550395, 1832285, 2303444, 2879305, 3100790, 3664570, 4031027, 5758610, 6201580, 7329140, 8062054, 11517220, 16124108, 20155135, 40310270, 80620540]

約数ペア:

[(1, 80620540), (2, 40310270), (4, 20155135), (5, 16124108), (7, 11517220), (10, 8062054), (11, 7329140), (13, 6201580), (14, 5758610), (20, 4031027), (22, 3664570), (26, 3100790), (28, 2879305), (35, 2303444), (44, 1832285), (52, 1550395), (55, 1465828), (65, 1240316), (70, 1151722), (77, 1047020), (91, 885940), (110, 732914), (130, 620158), (140, 575861), (143, 563780), (154, 523510), (182, 442970), (220, 366457), (260, 310079), (286, 281890), (308, 261755), (364, 221485), (385, 209404), (455, 177188), (572, 140945), (715, 112756), (770, 104702), (910, 88594), (1001, 80540), (1430, 56378), (1540, 52351), (1820, 44297), (2002, 40270), (2860, 28189), (4004, 20135), (4027, 20020), (5005, 16108), (8054, 10010)]