80504216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 172972800

約数和(自身を除く): 92468584

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 131, 152, 247, 262, 311, 494, 524, 622, 988, 1048, 1244, 1703, 1976, 2488, 2489, 3406, 4043, 4978, 5909, 6812, 8086, 9956, 11818, 13624, 16172, 19912, 23636, 32344, 32357, 40741, 47272, 64714, 76817, 81482, 129428, 153634, 162964, 258856, 307268, 325928, 529633, 614536, 774079, 1059266, 1548158, 2118532, 3096316, 4237064, 6192632, 10063027, 20126054, 40252108, 80504216]

約数ペア:

[(1, 80504216), (2, 40252108), (4, 20126054), (8, 10063027), (13, 6192632), (19, 4237064), (26, 3096316), (38, 2118532), (52, 1548158), (76, 1059266), (104, 774079), (131, 614536), (152, 529633), (247, 325928), (262, 307268), (311, 258856), (494, 162964), (524, 153634), (622, 129428), (988, 81482), (1048, 76817), (1244, 64714), (1703, 47272), (1976, 40741), (2488, 32357), (2489, 32344), (3406, 23636), (4043, 19912), (4978, 16172), (5909, 13624), (6812, 11818), (8086, 9956)]