81935480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6007}}^1$

素因数の和:6060

約数の個数: 64

約数和(自身を含む): 207636480

約数和(自身を除く): 125701000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6007, 6820, 12014, 13640, 24028, 30035, 48056, 60070, 66077, 120140, 132154, 186217, 240280, 264308, 330385, 372434, 528616, 660770, 744868, 931085, 1321540, 1489736, 1862170, 2048387, 2643080, 3724340, 4096774, 7448680, 8193548, 10241935, 16387096, 20483870, 40967740, 81935480]

約数ペア:

[(1, 81935480), (2, 40967740), (4, 20483870), (5, 16387096), (8, 10241935), (10, 8193548), (11, 7448680), (20, 4096774), (22, 3724340), (31, 2643080), (40, 2048387), (44, 1862170), (55, 1489736), (62, 1321540), (88, 931085), (110, 744868), (124, 660770), (155, 528616), (220, 372434), (248, 330385), (310, 264308), (341, 240280), (440, 186217), (620, 132154), (682, 120140), (1240, 66077), (1364, 60070), (1705, 48056), (2728, 30035), (3410, 24028), (6007, 13640), (6820, 12014)]