65191760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:412

約数の個数: 80

約数和(自身を含む): 158656512

約数和(自身を除く): 93464752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 97, 124, 155, 194, 248, 271, 310, 388, 485, 496, 542, 620, 776, 970, 1084, 1240, 1355, 1552, 1940, 2168, 2480, 2710, 3007, 3880, 4336, 5420, 6014, 7760, 8401, 10840, 12028, 15035, 16802, 21680, 24056, 26287, 30070, 33604, 42005, 48112, 52574, 60140, 67208, 84010, 105148, 120280, 131435, 134416, 168020, 210296, 240560, 262870, 336040, 420592, 525740, 672080, 814897, 1051480, 1629794, 2102960, 3259588, 4074485, 6519176, 8148970, 13038352, 16297940, 32595880, 65191760]

約数ペア:

[(1, 65191760), (2, 32595880), (4, 16297940), (5, 13038352), (8, 8148970), (10, 6519176), (16, 4074485), (20, 3259588), (31, 2102960), (40, 1629794), (62, 1051480), (80, 814897), (97, 672080), (124, 525740), (155, 420592), (194, 336040), (248, 262870), (271, 240560), (310, 210296), (388, 168020), (485, 134416), (496, 131435), (542, 120280), (620, 105148), (776, 84010), (970, 67208), (1084, 60140), (1240, 52574), (1355, 48112), (1552, 42005), (1940, 33604), (2168, 30070), (2480, 26287), (2710, 24056), (3007, 21680), (3880, 16802), (4336, 15035), (5420, 12028), (6014, 10840), (7760, 8401)]