16478360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 38949120

約数和(自身を除く): 22470760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 97, 124, 137, 155, 194, 248, 274, 310, 388, 485, 548, 620, 685, 776, 970, 1096, 1240, 1370, 1940, 2740, 3007, 3880, 4247, 5480, 6014, 8494, 12028, 13289, 15035, 16988, 21235, 24056, 26578, 30070, 33976, 42470, 53156, 60140, 66445, 84940, 106312, 120280, 132890, 169880, 265780, 411959, 531560, 823918, 1647836, 2059795, 3295672, 4119590, 8239180, 16478360]

約数ペア:

[(1, 16478360), (2, 8239180), (4, 4119590), (5, 3295672), (8, 2059795), (10, 1647836), (20, 823918), (31, 531560), (40, 411959), (62, 265780), (97, 169880), (124, 132890), (137, 120280), (155, 106312), (194, 84940), (248, 66445), (274, 60140), (310, 53156), (388, 42470), (485, 33976), (548, 30070), (620, 26578), (685, 24056), (776, 21235), (970, 16988), (1096, 15035), (1240, 13289), (1370, 12028), (1940, 8494), (2740, 6014), (3007, 5480), (3880, 4247)]