83411080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:670

約数の個数: 64

約数和(自身を含む): 195540480

約数和(自身を除く): 112129400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 137, 155, 248, 274, 310, 491, 548, 620, 685, 982, 1096, 1240, 1370, 1964, 2455, 2740, 3928, 4247, 4910, 5480, 8494, 9820, 15221, 16988, 19640, 21235, 30442, 33976, 42470, 60884, 67267, 76105, 84940, 121768, 134534, 152210, 169880, 269068, 304420, 336335, 538136, 608840, 672670, 1345340, 2085277, 2690680, 4170554, 8341108, 10426385, 16682216, 20852770, 41705540, 83411080]

約数ペア:

[(1, 83411080), (2, 41705540), (4, 20852770), (5, 16682216), (8, 10426385), (10, 8341108), (20, 4170554), (31, 2690680), (40, 2085277), (62, 1345340), (124, 672670), (137, 608840), (155, 538136), (248, 336335), (274, 304420), (310, 269068), (491, 169880), (548, 152210), (620, 134534), (685, 121768), (982, 84940), (1096, 76105), (1240, 67267), (1370, 60884), (1964, 42470), (2455, 33976), (2740, 30442), (3928, 21235), (4247, 19640), (4910, 16988), (5480, 15221), (8494, 9820)]