80452624540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{6373}}^1$

素因数の和:6779

約数の個数: 96

約数和(自身を含む): 179899776000

約数和(自身を除く): 99447151460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 239, 278, 380, 478, 556, 695, 956, 1195, 1390, 2390, 2641, 2780, 4541, 4780, 5282, 6373, 9082, 10564, 12746, 13205, 18164, 22705, 25492, 26410, 31865, 33221, 45410, 52820, 63730, 66442, 90820, 121087, 127460, 132884, 166105, 242174, 332210, 484348, 605435, 631199, 664420, 885847, 1210870, 1262398, 1523147, 1771694, 2421740, 2524796, 3046294, 3155995, 3543388, 4429235, 6092588, 6311990, 7615735, 8858470, 12623980, 15231470, 16831093, 17716940, 28939793, 30462940, 33662186, 57879586, 67324372, 84155465, 115759172, 144698965, 168310930, 211717433, 289397930, 336621860, 423434866, 578795860, 846869732, 1058587165, 2117174330, 4022631227, 4234348660, 8045262454, 16090524908, 20113156135, 40226312270, 80452624540]

約数ペア:

[(1, 80452624540), (2, 40226312270), (4, 20113156135), (5, 16090524908), (10, 8045262454), (19, 4234348660), (20, 4022631227), (38, 2117174330), (76, 1058587165), (95, 846869732), (139, 578795860), (190, 423434866), (239, 336621860), (278, 289397930), (380, 211717433), (478, 168310930), (556, 144698965), (695, 115759172), (956, 84155465), (1195, 67324372), (1390, 57879586), (2390, 33662186), (2641, 30462940), (2780, 28939793), (4541, 17716940), (4780, 16831093), (5282, 15231470), (6373, 12623980), (9082, 8858470), (10564, 7615735), (12746, 6311990), (13205, 6092588), (18164, 4429235), (22705, 3543388), (25492, 3155995), (26410, 3046294), (31865, 2524796), (33221, 2421740), (45410, 1771694), (52820, 1523147), (63730, 1262398), (66442, 1210870), (90820, 885847), (121087, 664420), (127460, 631199), (132884, 605435), (166105, 484348), (242174, 332210)]