80276680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4931}}^1$

素因数の和:4990

約数の個数: 64

約数和(自身を含む): 202409280

約数和(自身を除く): 122132600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 4070, 4931, 8140, 9862, 16280, 19724, 24655, 39448, 49310, 54241, 98620, 108482, 182447, 197240, 216964, 271205, 364894, 433928, 542410, 729788, 912235, 1084820, 1459576, 1824470, 2006917, 2169640, 3648940, 4013834, 7297880, 8027668, 10034585, 16055336, 20069170, 40138340, 80276680]

約数ペア:

[(1, 80276680), (2, 40138340), (4, 20069170), (5, 16055336), (8, 10034585), (10, 8027668), (11, 7297880), (20, 4013834), (22, 3648940), (37, 2169640), (40, 2006917), (44, 1824470), (55, 1459576), (74, 1084820), (88, 912235), (110, 729788), (148, 542410), (185, 433928), (220, 364894), (296, 271205), (370, 216964), (407, 197240), (440, 182447), (740, 108482), (814, 98620), (1480, 54241), (1628, 49310), (2035, 39448), (3256, 24655), (4070, 19724), (4931, 16280), (8140, 9862)]